Not in general, but I recognize your example. Walking is pleasant and active and allows me to think sustained thoughts, so it makes time 'pass' quickly. Whereas riding the subway is passive and stressful and makes me think many scattered thoughts in short time, so it makes time 'pass' slowly, making the ride seem longer. Also, if you walk somewhere in 15 minutes that probably takes about 15 minutes, but if you ride the subway for 15 minutes that probably takes more like half an hour from when you leave home to when you get to your goal.