Need help booking?
Unpublished phone-only deals available
SEM to ROI: distance & flight time
Selma (Craig Field) → Roi Et (Roi Et Airport)
9,014 mi
14,506 km · 7,833 nm
18h 8m
estimated nonstop flight time
+12h
time difference · heading north
See live SEM→ROI fares Phone-only fares on this route — call free
Flight time details
9,014 miles nonstop takes roughly 18h 8m 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
- SEM — Craig Field · Selma, United States
- ROI — Roi Et Airport · Roi Et, 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 SEM
Near ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is SEM from ROI?
The flight distance from Selma (SEM) to Roi Et (ROI) is 9,014 miles (14,506 km, 7,833 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEM to ROI?
A nonstop flight takes about 18h 8m 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 Selma and Roi Et?
Roi Et is 12 hours ahead of Selma.
What is the cheapest way to fly from SEM to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEM–ROI that never appear on search engines, with no booking fees.