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ROA to USM: distance & flight time
Roanoke VA (Roanoke–Blacksburg Regional Airport) → Ko Samui (Samui Airport)
9,198 mi
14,803 km · 7,993 nm
18h 30m
estimated nonstop flight time
+11h
time difference · heading north
See live ROA→USM fares Phone-only fares on this route — call free
Flight time details
9,198 miles nonstop takes roughly 18h 30m 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
- ROA — Roanoke–Blacksburg Regional Airport · Roanoke VA, 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 ROA
- LYH · Lynchburg Regional Preston Glenn Field43 mi away
- LWB · Greenbrier Valley Airport44 mi away
- DAN · Danville Regional Airport63 mi away
- BLF · Mercer County Airport68 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 ROA from USM?
The flight distance from Roanoke VA (ROA) to Ko Samui (USM) is 9,198 miles (14,803 km, 7,993 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROA to USM?
A nonstop flight takes about 18h 30m 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 Roanoke VA and Ko Samui?
Ko Samui is 11 hours ahead of Roanoke VA.
What is the cheapest way to fly from ROA to USM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROA–USM that never appear on search engines, with no booking fees.