A táv öt kilométer.

In Hungarian, the verb to be is usually left out in the present tense, third person singular when one noun is being identified with another or described by a noun/adjective.

So:

• A táv öt kilométer. = The distance is five kilometers.

But in other tenses, the verb appears:

• A táv öt kilométer volt. = The distance was five kilometers.
• A táv öt kilométer lesz. = The distance will be five kilometers.

This omission is very normal in Hungarian.

A is the Hungarian definite article, meaning the.

Hungarian has two forms of the definite article:

• a before a consonant sound
• az before a vowel sound

Since táv begins with a consonant, you get:

• A táv

There is no gender distinction, so Hungarian does not have separate words like the, a, an, or gendered articles like in some other languages.

Táv means distance, but it is often used in a somewhat specific or practical way, especially for:

• routes
• races
• measured stretches
• sports contexts

So A táv öt kilométer sounds natural in contexts like:

• a race
• a walking route
• a course
• a stage of a trip

A more general word for distance is távolság. So you could also say:

• A távolság öt kilométer.

That is also correct, though táv is shorter and often more natural in set contexts.

After numbers, Hungarian usually keeps the noun in the singular form.

So:

• öt kilométer = five kilometers
• literally closer to five kilometer

This is completely normal in Hungarian.

More examples:

• három könyv = three books
• tíz ember = ten people
• két perc = two minutes

So even though English uses the plural after numbers, Hungarian normally does not.

Because öt kilométer is the predicate noun in the sentence, not a direct object.

In A táv öt kilométer, the sentence is basically saying:

• The distance = five kilometers

So kilométer stays in the basic dictionary form.

By contrast, kilométert would be accusative, used for a direct object:

• Öt kilométert futok. = I run five kilometers.

So:

• A táv öt kilométer. → statement of identity/measurement
• Öt kilométert futok. → object of the verb run

Yes, you can also say:

• Öt kilométer a táv.

Both are grammatical, but the emphasis changes.

• A táv öt kilométer.
  This is the more neutral version: The distance is five kilometers.

• Öt kilométer a táv.
  This puts more focus on five kilometers, as if answering How long is the distance?

Hungarian word order is often influenced by information structure and focus, not just by fixed subject-verb-object rules.

A simple pronunciation guide:

• A ≈ short o/aw-like sound
• táv ≈ taav with a long á
• öt ≈ a rounded vowel not found in standard English; similar to German ö or French eu
• kilométer ≈ KI-lo-mé-ter

A rough English-friendly guide:

• aw taav ert kee-lo-may-ter

A few useful pronunciation notes:

• Hungarian stress is usually on the first syllable of each word.
• á is long.
• é is long.
• ö is a front rounded vowel, which may be unfamiliar to English speakers.

Not in this exact neutral present-tense sentence.

You would normally say:

• A táv öt kilométer.

and not:

• A táv öt kilométer van.

That would sound ungrammatical in standard Hungarian.

However, forms of to be do appear in other situations, especially:

• past: volt
• future: lesz
• existential/location meanings: van

Examples:

• A bolt nyitva van. = The shop is open.
• A könyv az asztalon van. = The book is on the table.
• A táv öt kilométer volt. = The distance was five kilometers.

Yes, it is natural, especially in contexts where a route, race, or measured section is being described.

For example:

• a race organizer describing a course
• someone talking about a hiking route
• a teacher giving information about a track
• a sign or announcement about distance

In casual conversation, people might also phrase it differently depending on context, for example:

• Öt kilométer a táv.
• A távolság öt kilométer.
• Ez öt kilométer. = This is five kilometers.

But A táv öt kilométer is perfectly normal Hungarian.