Лучше выйти из дома пораньше, чтобы доехать без спешки.

Лучше + infinitive is a very common Russian way to give advice or say what is preferable.

So Лучше выйти из дома пораньше... means something like It’s better to leave home earlier...

This structure is:

• impersonal
• natural in everyday speech
• often used when no subject is stated explicitly

You can also make the person explicit:

• Тебе лучше выйти из дома пораньше. = You’d better leave home earlier.
• Вам лучше выйти из дома пораньше. = You’d better leave home earlier. (formal/plural)

It is softer than a direct command.

Выйти is the perfective form, while выходить is imperfective.

Here, the speaker is talking about one complete action: leaving the house on a particular occasion. That is why выйти is the natural choice.

• выйти = to go out, to leave, as a completed action
• выходить = to be going out / to go out regularly / in a general or repeated sense

In this sentence, the idea is:

• leave once
• then arrive without rushing

So the completed action fits best.

Both can sometimes be translated as to leave, but they are not the same.

• выйти из дома = to go out of the house / leave the house
• уйти из дома = to leave home in a broader sense, with more focus on going away

In this sentence, выйти из дома is more concrete and physical: you are stepping out of the house in order to start your trip.

So выйти works especially well because the sentence is about leaving early enough to get somewhere calmly.

Because the preposition из requires the genitive case.

• nominative: дом
• genitive: дома

So:

• из дома = out of the house / from home

This is a standard pattern:

• из школы = from school
• из города = from the city
• из магазина = from the store

Пораньше means a bit earlier, earlier than usual, or nice and early, depending on context.

It comes from раньше and adds the prefix по-, which often makes the meaning sound:

• softer
• more practical
• less like a strict comparison

Compare:

• раньше = earlier
• пораньше = a little earlier / early enough / somewhat earlier

In advice, пораньше is very common:

• Ложись пораньше. = Go to bed a bit earlier.
• Приходи пораньше. = Come a little earlier.

Here it suggests leaving early enough so that there is no need to rush.

Чтобы introduces a purpose clause.

Here it means:

• so that
• in order to

So the structure is:

• Лучше выйти из дома пораньше = It’s better to leave home earlier
• чтобы доехать без спешки = so that you can get there without rushing

Together, the second part explains the purpose of the first part.

Russian often uses чтобы + infinitive when the subject is the same as in the main clause and the meaning is purpose.

Here, the person who leaves home is also the person who wants to arrive without rushing. So the infinitive is natural.

You could compare:

• Я вышел пораньше, чтобы доехать без спешки.
  = I left earlier so as to get there without rushing.

But if the subject changes, Russian usually uses a finite verb:

• Я вышел пораньше, чтобы дети не опоздали.
  = I left earlier so that the children wouldn’t be late.

Because доехать focuses on reaching the destination, not just being in the process of traveling.

• ехать = to go / to be going by transport
• доехать = to get there by transport, to make it to the destination

In this sentence, the purpose is not simply to travel without rushing, but to arrive/get there without rushing. That makes доехать the better choice.

Because the goal is a completed result: successfully arriving.

In purpose clauses, Russian often uses the perfective when the intended result is completion of an action.

Here the intended result is:

• leave early
• arrive calmly

So доехать fits naturally.

If you used an imperfective verb, the sentence would sound less focused on the completed result and more on the process, which is not the main point here.

All three can sometimes be translated as to get there or to arrive, but they have different shades of meaning.

• доехать = to get to a place by transport; emphasis on reaching the destination by riding/driving
• приехать = to arrive by transport
• добраться = to make it there, to reach a place; can imply effort, difficulty, or simply the fact of managing to get there

In this sentence:

• доехать sounds very natural for everyday travel
• приехать would also be possible in some contexts, but доехать emphasizes the trip up to the destination
• добраться would sound a bit broader and can suggest the journey itself may be complicated

Без спешки literally means without haste or without rushing.

It is made from:

• без = without
• спешки = genitive of спешка = haste, rush

So:

• без спешки = calmly, unhurriedly, without having to hurry

It is a very common expression.

Similar ideas:

• не спеша = unhurriedly
• спокойно = calmly

But без спешки specifically emphasizes the absence of rush.

Because the preposition без requires the genitive case.

• nominative: спешка
• genitive: спешки

So:

• без спешки = without hurry

This is another standard case pattern:

• без сахара = without sugar
• без проблем = without problems
• без шума = without noise

Because the sentence is phrased as general advice.

Russian often leaves the subject unstated when the meaning is something like:

• one should
• it’s better to
• you should

So Лучше выйти из дома пораньше... sounds natural and general.

Depending on context, it can mean:

• You should leave home earlier
• It’s better to leave home earlier
• We should leave home earlier

Russian often relies on context for this.

Because чтобы introduces a subordinate clause.

Russian normally places a comma before subordinate clauses of purpose, reason, time, and so on.

So:

• Лучше выйти из дома пораньше, чтобы доехать без спешки.

That comma is required in standard writing.

Yes. Russian word order is flexible, and different orders change the emphasis more than the basic meaning.

For example:

• Лучше выйти из дома пораньше, чтобы доехать без спешки.
  Neutral and natural.
• Лучше пораньше выйти из дома, чтобы доехать без спешки.
  Slightly more emphasis on earlier.
• Чтобы доехать без спешки, лучше выйти из дома пораньше.
  Starts with the purpose: To get there without rushing...

So the original word order is natural, but not the only possible one.