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KTM to NAK: distance & flight time
Kathmandu (Tribhuvan International Airport) → Nakhon Ratchasima (Nakhon Ratchasima Airport)
1,399 mi
2,252 km · 1,216 nm
3h 31m
estimated nonstop flight time
+1.3h
time difference · heading southeast
See live KTM→NAK fares Phone-only fares on this route — call free
Flight time details
1,399 miles nonstop takes roughly 3h 31m 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
- NAK — Nakhon Ratchasima Airport · Nakhon Ratchasima, 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 NAK
- BFV · Buri Ram Airport66 mi away
- PXR · Surin Airport79 mi away
- KKC · Khon Kaen Airport109 mi away
- ROI · Roi Et Airport126 mi away
Frequently asked questions
How far is KTM from NAK?
The flight distance from Kathmandu (KTM) to Nakhon Ratchasima (NAK) is 1,399 miles (2,252 km, 1,216 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to NAK?
A nonstop flight takes about 3h 31m 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 Nakhon Ratchasima?
Nakhon Ratchasima is 1.3 hours ahead of Kathmandu.
What is the cheapest way to fly from KTM to NAK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–NAK that never appear on search engines, with no booking fees.