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RDR to USM: distance & flight time
Red River (Grand Forks Air Force Base) → Ko Samui (Samui Airport)
8,322 mi
13,393 km · 7,232 nm
16h 47m
estimated nonstop flight time
+12h
time difference · heading north
See live RDR→USM fares Phone-only fares on this route — call free
Flight time details
8,322 miles nonstop takes roughly 16h 47m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 12-hour time gain when reading arrival times on your ticket.
The two airports
- RDR — Grand Forks Air Force Base · Red River, United States
- USM — Samui Airport · Ko Samui, Thailand
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near RDR
- GFK · Grand Forks International Airport10 mi away
- TVF · Thief River Falls Regional Airport57 mi away
- PMB · Pembina Municipal Airport68 mi away
- DVL · Devils Lake Regional Airport70 mi away
Near USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Frequently asked questions
How far is RDR from USM?
The flight distance from Red River (RDR) to Ko Samui (USM) is 8,322 miles (13,393 km, 7,232 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RDR to USM?
A nonstop flight takes about 16h 47m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Red River and Ko Samui?
Ko Samui is 12 hours ahead of Red River.
What is the cheapest way to fly from RDR to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RDR–USM that never appear on search engines, with no booking fees.