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USM to RAP: distance & flight time
Ko Samui (Samui Airport) → Rapid City (Rapid City Regional Airport)
8,461 mi
13,616 km · 7,352 nm
17h 3m
estimated nonstop flight time
-13h
time difference · heading north
See live USM→RAP fares Phone-only fares on this route — call free
Flight time details
8,461 miles nonstop takes roughly 17h 3m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- RAP — Rapid City Regional Airport · Rapid City, United States
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Frequently asked questions
How far is USM from RAP?
The flight distance from Ko Samui (USM) to Rapid City (RAP) is 8,461 miles (13,616 km, 7,352 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to RAP?
A nonstop flight takes about 17h 3m 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 Ko Samui and Rapid City?
Rapid City is 13 hours behind Ko Samui.
What is the cheapest way to fly from USM to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–RAP that never appear on search engines, with no booking fees.