Train Positions

Riddle: There are two stations. If train A is in a station and train B is 5km away from the station, what train would first reach a station?

Answer: Train A. It's already in a station. And I didn't say whch station it was! Source: https://www.riddles.com/index.php/9711

There are two stations. If train A is in a station and train B is 5km away from the station, what train would first reach a station? — Train Positions by ItsTrainNo2 Riddle