Distances

I'm not accustomed to walking long distances.

I am not accustomed to walking long distances.

Birds fly long distances.

He is used to walking long distances.

Airplanes enable people to travel great distances rapidly.

The ice may drift considerable distances each day.

The wind carries seeds for great distances.

For distances, if 100 meters is said it's exactly 100 meters.

Tom has trouble judging distances.

He travels long distances by plane.