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GCH to KTM: distance & flight time
Gachsaran (Gachsaran Airport) → Kathmandu (Tribhuvan International Airport)
2,086 mi
3,358 km · 1,813 nm
4h 33m
estimated nonstop flight time
+2.3h
time difference · heading east
See live GCH→KTM fares Phone-only fares on this route — call free
Flight time details
2,086 miles nonstop takes roughly 4h 33m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.3-hour time gain when reading arrival times on your ticket.
The two airports
- GCH — Gachsaran Airport · Gachsaran, Iran
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
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 GCH
- YES · Yasouj Airport50 mi away
- AKW · Aghajari Airport74 mi away
- KHK · Khark Island Airport80 mi away
- OMI · Omidiyeh Airport84 mi away
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Frequently asked questions
How far is GCH from KTM?
The flight distance from Gachsaran (GCH) to Kathmandu (KTM) is 2,086 miles (3,358 km, 1,813 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GCH to KTM?
A nonstop flight takes about 4h 33m 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 Gachsaran and Kathmandu?
Kathmandu is 2.3 hours ahead of Gachsaran.
What is the cheapest way to fly from GCH to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GCH–KTM that never appear on search engines, with no booking fees.