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KTM to SPF: distance & flight time
Kathmandu (Tribhuvan International Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
7,417 mi
11,936 km · 6,445 nm
15h 1m
estimated nonstop flight time
-11.7h
time difference · heading north
See live KTM→SPF fares Phone-only fares on this route — call free
Flight time details
7,417 miles nonstop takes roughly 15h 1m 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
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is KTM from SPF?
The flight distance from Kathmandu (KTM) to Spearfish-South Dakota (SPF) is 7,417 miles (11,936 km, 6,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KTM to SPF?
A nonstop flight takes about 15h 1m 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 Spearfish-South Dakota?
Spearfish-South Dakota is 11.7 hours behind Kathmandu.
What is the cheapest way to fly from KTM to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KTM–SPF that never appear on search engines, with no booking fees.