Or Shenyang to Kunming which takes 18 hours on a train. But what's your point? Trains aren't meant to replace crosscontinetal flights. It would be better to c

Or Shenyang to Kunming which takes 18 hours on a train. But what's your point? Trains aren't meant to replace crosscontinetal flights. It would be better to compare regional routes like LA - SF which is super inconvenient.