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How long does a letter take from Bismarck to London?
Flight time: 8h 21m · Distance: 4,183 miles · With Premium: 4h 10m
On PreviewPal, a letter from Bismarck, North Dakota to London, United Kingdom flies the real 4,183-mile great-circle distance at 500 mph, so it lands in 8h 21m. Your penpal in London can peek at every word the moment you seal it. They just can't reply until it lands.
The trip home takes the same 8h 21m: London to Bismarck is the same distance both ways.
Questions
- Can my penpal in London read the letter before it lands?
- Yes. They can open it and read every word while it's in the air, and watch it cross the map. The reply unlocks when it lands, 8h 21m after you send it.
- Is it faster with Premium?
- Premium letters fly twice as fast, so Bismarck to London takes 4h 10m. Every flight takes at least a minute and never more than 72 hours.
- Is PreviewPal free? Do I need an app?
- Writing letters is free. There's nothing to install: PreviewPal works in the browser on any phone or laptop. Letters are sealed end to end, so only you and your penpal can read them.