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KTM to THR: distance & flight time
Kathmandu (Tribhuvan International Airport) → Teheran (Mehrabad International Airport)
2,065 mi
3,323 km · 1,794 nm
4h 31m
estimated nonstop flight time
-2.2h
time difference · heading northwest
See live KTM→THR fares Phone-only fares on this route — call free
Flight time details
2,065 miles nonstop takes roughly 4h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.2-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- THR — Mehrabad International Airport · Teheran, Iran
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 THR
- IKA · Imam Khomeini International Airport21 mi away
- PYK · Payam International Airport28 mi away
- NSH · Noshahr Airport68 mi away
- GZW · Qazvin Airport80 mi away
Frequently asked questions
How far is KTM from THR?
The flight distance from Kathmandu (KTM) to Teheran (THR) is 2,065 miles (3,323 km, 1,794 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to THR?
A nonstop flight takes about 4h 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 Teheran?
Teheran is 2.2 hours behind Kathmandu.
What is the cheapest way to fly from KTM to THR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–THR that never appear on search engines, with no booking fees.