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KTM to DUC: distance & flight time
Kathmandu (Tribhuvan International Airport) → Duncan (Halliburton Field)
8,136 mi
13,094 km · 7,070 nm
16h 25m
estimated nonstop flight time
-10.7h
time difference · heading north
See live KTM→DUC fares Phone-only fares on this route — call free
Flight time details
8,136 miles nonstop takes roughly 16h 25m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 10.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- DUC — Halliburton Field · Duncan, United States
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 DUC
Frequently asked questions
How far is KTM from DUC?
The flight distance from Kathmandu (KTM) to Duncan (DUC) is 8,136 miles (13,094 km, 7,070 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to DUC?
A nonstop flight takes about 16h 25m 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 Duncan?
Duncan is 10.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–DUC that never appear on search engines, with no booking fees.