Need help booking?
Unpublished phone-only deals available
KTM to ROI: distance & flight time
Kathmandu (Tribhuvan International Airport) → Roi Et (Roi Et Airport)
1,423 mi
2,290 km · 1,237 nm
3h 34m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live KTM→ROI fares Phone-only fares on this route — call free
Flight time details
1,423 miles nonstop takes roughly 3h 34m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.3-hour time gain when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- 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 KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
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 KTM from ROI?
The flight distance from Kathmandu (KTM) to Roi Et (ROI) is 1,423 miles (2,290 km, 1,237 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to ROI?
A nonstop flight takes about 3h 34m 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 Kathmandu and Roi Et?
Roi Et is 1.3 hours ahead of Kathmandu.
What is the cheapest way to fly from KTM to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–ROI that never appear on search engines, with no booking fees.