Need help booking?
Unpublished phone-only deals available
ROI to KMJ: distance & flight time
Roi Et (Roi Et Airport) → Kumamoto (Kumamoto Airport)
2,047 mi
3,295 km · 1,779 nm
4h 29m
estimated nonstop flight time
+2h
time difference · heading northeast
See live ROI→KMJ fares Phone-only fares on this route — call free
Flight time details
2,047 miles nonstop takes roughly 4h 29m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- KMJ — Kumamoto Airport · Kumamoto, Japan
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Near KMJ
- HSG · Saga Airport39 mi away
- AXJ · Amakusa Airport47 mi away
- NGS · Nagasaki Airport55 mi away
- FUK · Fukuoka Airport57 mi away
Frequently asked questions
How far is ROI from KMJ?
The flight distance from Roi Et (ROI) to Kumamoto (KMJ) is 2,047 miles (3,295 km, 1,779 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to KMJ?
A nonstop flight takes about 4h 29m 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 Roi Et and Kumamoto?
Kumamoto is 2 hours ahead of Roi Et.
What is the cheapest way to fly from ROI to KMJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–KMJ that never appear on search engines, with no booking fees.