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CGI to USM: distance & flight time
Cape Girardeau (Cape Girardeau Regional Airport) → Ko Samui (Samui Airport)
9,145 mi
14,718 km · 7,947 nm
18h 24m
estimated nonstop flight time
+12h
time difference · heading north
See live CGI→USM fares Phone-only fares on this route — call free
Flight time details
9,145 miles nonstop takes roughly 18h 24m 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
- CGI — Cape Girardeau Regional Airport · Cape Girardeau, 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 CGI
- SIK · Sikeston Memorial Municipal Airport23 mi away
- MDH · Southern Illinois Airport42 mi away
- PAH · Barkley Regional Airport45 mi away
- MWA · Williamson County Regional Airport48 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 CGI from USM?
The flight distance from Cape Girardeau (CGI) to Ko Samui (USM) is 9,145 miles (14,718 km, 7,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGI to USM?
A nonstop flight takes about 18h 24m 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 Cape Girardeau and Ko Samui?
Ko Samui is 12 hours ahead of Cape Girardeau.
What is the cheapest way to fly from CGI to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGI–USM that never appear on search engines, with no booking fees.