Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
miles in length
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "miles in length" is correct and usable in written English.
It can be used to describe the measurement of distance, particularly when specifying how long something is. Example: "The river is approximately 50 miles in length, making it one of the longest in the region."
✓ Grammatically correct
News & Media
Academia
Encyclopedias
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Manhattan is 13.4 miles in length.
News & Media
The valley is here about S miles in length.
Academia
The hike is about two to three miles in length.
News & Media
The Congo River is some 2,900 miles in length.
Encyclopedias
Most F1 tracks are more than two miles in length.
News & Media
Class I included all railroads of more than 100 miles in length.
Academia
But all these events are only four to eight miles in length.
News & Media
In the East River, 15.5 miles in length, the tidal excursion is only about 70percentt.
News & Media
The extent of the storm was just two miles in length and one in breadth.
News & Media
Such bow echoes appear along squall lines that span hundreds of miles in length.
Encyclopedias
It is 357 miles (575 km) long, excluding the Gironde Estuary (45 miles in length).
Encyclopedias
Expert writing Tips
Best practice
For clarity, always specify what exactly is being measured when using "miles in length". For instance, is it a river, a road, or a border?
Common error
Avoid using redundant phrases like "the length is miles in length". Instead, simplify to "the length is X miles" or "it is X miles long".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "miles in length" functions as a post-modifier, specifically a unit of measurement following a noun or noun phrase, describing the extent or distance of something. Ludwig examples show it qualifying various nouns like "river", "trail", and "island".
Frequent in
News & Media
45%
Academia
25%
Encyclopedias
20%
Less common in
Science
5%
Wiki
3%
Formal & Business
2%
Ludwig's WRAP-UP
In summary, "miles in length" is a grammatically sound phrase used to specify the length or distance of something in miles. While Ludwig AI confirms its correctness, the simpler form "miles long" is often preferred for its conciseness. It's widely used across diverse contexts like news, academic writing, and encyclopedias. When using "miles in length", ensure clarity by specifying the object of measurement. Remember to avoid redundancy by using this phrase instead of repeating the measure in the context. Although grammatically correct, prioritize its alternative "miles long" for being more fluent.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
miles long
This is a more concise and common way to express the same concept, omitting the preposition "in" and noun "length".
length in miles
This inverts the original phrase, emphasizing the "length" rather than the unit of measurement.
with a length of miles
This alternative uses "with a length of" as a prepositional phrase to describe the length.
distance in miles
This replaces "length" with "distance", focusing on the spatial separation rather than the linear extent.
spanning miles
This uses a verb to describe the act of extending across a certain distance in miles.
extending for miles
This alternative highlights the act of stretching over a distance measured in miles.
a mileage of
This uses "mileage" as a noun to denote the total distance covered, often in the context of travel.
measured in miles
This emphasizes the use of "miles" as the unit of measurement for a given length or distance.
miles across
This alternative focuses on the measurement of width or diameter rather than overall length.
covering a distance of miles
This phrase emphasizes the act of covering a certain distance that is quantified in miles.
FAQs
How can I use "miles in length" in a sentence?
You can use "miles in length" to describe the distance or extent of something. For example, "The hiking trail is five "miles in length"." A simpler alternative is to say, "The hiking trail is five "miles long"".
What's a more concise way to say "miles in length"?
A more concise and commonly used alternative is "miles long". For instance, instead of saying "The river is 100 miles in length", you can say "The river is 100 "miles long"".
Is it grammatically correct to say "miles in length"?
Yes, it is grammatically correct. However, it's often considered less direct than alternatives like "miles long", which is generally preferred in contemporary writing.
What's the difference between "miles in length" and "length of miles"?
"Miles in length" specifies the measurement of something's extent, while "length of miles" is less common but could refer to the concept of measuring distances in miles or a series of distances measured in miles. The first is used to define the measure of a real entity, the second one the measure of distance as a unit.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested