full length; total length; overall length
Used for the entire length of an object, animal, vehicle, or route. Common in specifications, measurements, and descriptions.
The total length of this bridge is about 500 meters.
What is the overall length of the Shinkansen?
The full length of this bridge is 500 meters.
A truck that is 10 meters long is driving on the road.
The researchers measured the whale's full length.