Der Park ist weiter weg als das Museum.

Because German nouns have grammatical gender, and the definite article changes to match it.

• Park is masculine, so it takes der in the nominative singular: der Park
• Museum is neuter, so it takes das: das Museum

In this sentence, both nouns are the subjects of comparison, so they appear in the nominative form.

Weiter weg means farther away or further away.

It is written as two words because:

• weiter is the comparative form of weit = far
• weg means away/gone, but in expressions like this it helps form the idea of distance

So weit weg = far away
and weiter weg = farther away

This is a very common German expression.

Yes. The pattern is:

• weit = far
• weiter = farther/further
• am weitesten = farthest/furthest

So in this sentence, weiter shows that the park is at a greater distance than the museum.

German uses als after a comparative.

So:

• größer als = bigger than
• schneller als = faster than
• weiter weg als = farther away than

This is one of the most important comparison patterns in German.

A useful contrast:

• als = than, after a comparative
• wie = as, in equal comparisons

For example:

• Der Park ist weiter weg als das Museum. = The park is farther away than the museum.
• Der Park ist so weit weg wie das Museum. = The park is as far away as the museum.

Because weiter by itself just means farther/further, but it does not fully express farther away in this context.

German often uses weit weg to talk about distance from a place:

• Das ist weit weg. = That is far away.
• Der Park ist weiter weg. = The park is farther away.

So weg is a natural part of the expression when talking about location and distance.

Yes. That is also correct.

• weiter weg is common and conversational
• weiter entfernt is a bit more formal or neutral

Both mean essentially the same thing here:

• Der Park ist weiter weg als das Museum.
• Der Park ist weiter entfernt als das Museum.

A learner will hear weiter weg very often in everyday speech.

Here, das Museum is still nominative.

In this sentence, als introduces the thing being compared, and das Museum stands as the second item in that comparison. Since the full underlying idea is something like:

• Der Park ist weiter weg als das Museum ist.

the noun remains nominative.

This is easier to see with pronouns:

• Ich bin größer als er.
  literally: I am taller than he is.

In everyday speech, some people use forms that look different, but for learners it is best to understand that in comparisons like this, the compared noun is often nominative.

Because German main clauses normally follow the verb-second rule.

Here the structure is:

• Der Park = first element
• ist = finite verb in second position
• weiter weg als das Museum = the rest of the sentence

So the basic word order is completely normal for a German statement.

Yes. In many cases, German weiter covers both English farther and further.

English sometimes distinguishes:

• farther for physical distance
• further for more abstract ideas

German is less strict here. Weiter is commonly used for both literal and figurative extension, depending on context.

In this sentence, it refers to physical distance.

Weg is pronounced roughly like vek in standard German, because the final g is devoiced.

A simple approximation for English speakers:

• weg → sounds close to vek
• weiter weg → VY-ter vek

A few pronunciation notes:

• w in German sounds like English v
• ei sounds like English eye
• the final g in weg is usually pronounced like k

In this sentence, yes, it most naturally refers to physical distance.

Weiter weg is usually used for location:

• a park
• a station
• a city
• a house

For more abstract meanings of further, German might use different wording depending on context. But with Park and Museum, the sentence clearly means one place is at a greater distance than the other.