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JEF to USM: distance & flight time
Jefferson City (Jefferson City Memorial Airport) → Ko Samui (Samui Airport)
9,019 mi
14,514 km · 7,837 nm
18h 9m
estimated nonstop flight time
+12h
time difference · heading north
See live JEF→USM fares Phone-only fares on this route — call free
Flight time details
9,019 miles nonstop takes roughly 18h 9m 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
- JEF — Jefferson City Memorial Airport · Jefferson City, 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 JEF
- COU · Columbia Regional Airport16 mi away
- AIZ · Lee C Fine Memorial Airport40 mi away
- TBN · Waynesville-St. Robert Regional Forney field59 mi away
- SZL · Whiteman Air Force Base76 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 JEF from USM?
The flight distance from Jefferson City (JEF) to Ko Samui (USM) is 9,019 miles (14,514 km, 7,837 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JEF to USM?
A nonstop flight takes about 18h 9m 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 Jefferson City and Ko Samui?
Ko Samui is 12 hours ahead of Jefferson City.
What is the cheapest way to fly from JEF to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JEF–USM that never appear on search engines, with no booking fees.