请问在伦敦地铁站与站之间的路程远吗？从南肯

I must assume you mean 'South Kensington' and "Knightbridge' tube stations
these are both in Zone 1, so it should be walk-able.

伦敦一区的地铁站都不是特别远，这两站算是远的，走路15分钟吧。

https://maps.google.co.uk/