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FLO to USM: distance & flight time
Florence (Florence Regional Airport) → Ko Samui (Samui Airport)
9,415 mi
15,152 km · 8,182 nm
18h 56m
estimated nonstop flight time
+11h
time difference · heading north
See live FLO→USM fares Phone-only fares on this route — call free
Flight time details
9,415 miles nonstop takes roughly 18h 56m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- FLO — Florence Regional Airport · Florence, 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 FLO
- HVS · Hartsville Regional Airport27 mi away
- HCW · Cheraw Municipal Airport/Lynch Bellinger Field39 mi away
- SSC · Shaw Air Force Base45 mi away
- LBT · Lumberton 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 FLO from USM?
The flight distance from Florence (FLO) to Ko Samui (USM) is 9,415 miles (15,152 km, 8,182 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLO to USM?
A nonstop flight takes about 18h 56m 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 Florence and Ko Samui?
Ko Samui is 11 hours ahead of Florence.
What is the cheapest way to fly from FLO to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLO–USM that never appear on search engines, with no booking fees.