Need help booking?
Unpublished phone-only deals available
KTM to YSM: distance & flight time
Kathmandu (Tribhuvan International Airport) → Fort Smith (Fort Smith Airport)
6,297 mi
10,134 km · 5,472 nm
12h 49m
estimated nonstop flight time
-11.7h
time difference · heading north
See live KTM→YSM fares Phone-only fares on this route — call free
Flight time details
6,297 miles nonstop takes roughly 12h 49m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.7-hour time set-back when reading arrival times on your ticket.
The two airports
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
- YSM — Fort Smith Airport · Fort Smith, Canada
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 YSM
- YPY · Fort Chipewyan Airport92 mi away
- YFR · Fort Resolution Airport99 mi away
- YBE · Uranium City Airport125 mi away
- YHY · Hay River / Merlyn Carter Airport142 mi away
Frequently asked questions
How far is KTM from YSM?
The flight distance from Kathmandu (KTM) to Fort Smith (YSM) is 6,297 miles (10,134 km, 5,472 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to YSM?
A nonstop flight takes about 12h 49m 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 Fort Smith?
Fort Smith is 11.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to YSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–YSM that never appear on search engines, with no booking fees.