[oleganza]

Because your life is measured in hours, not miles.

Also for the most flights the alternative is not driving or riding a train, but not travelling at all over that distance.

Examples: 1) unnecessary business trips ("that meeting could've been an email"); 2) long-range vacations ("let's travel somewhere local 1-2 hr by car instead of 3-6 hr by plane")

[hoseja]

Why not walk everywhere then.

[Fire-Dragon-DoL]

Supposedly a 100 days trip is more dangerous than a 10 hours one