Dan McQuade of The Philly Post tallied up all the numbers and charted the training run that Sylvester Stallone's character takes in Rocky 2.
The scene, if you don't remember, looks like this:
The route looks like this:
And the final tally looks like this:
Total distance traveled: 2.45 miles this leg, 30.61 miles total
Over thirty and a half miles. Rocky almost did a 50K. No wonder he won the rematch against Apollo!
Click through and read the whole thing. It is well worth your time.