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SPF to KTM: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Kathmandu (Tribhuvan International Airport)
7,417 mi
11,936 km · 6,445 nm
15h 1m
estimated nonstop flight time
+11.8h
time difference · heading north
See live SPF→KTM 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 11.8-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- 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 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
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 SPF from KTM?
The flight distance from Spearfish-South Dakota (SPF) to Kathmandu (KTM) 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 SPF to KTM?
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 Spearfish-South Dakota and Kathmandu?
Kathmandu is 11.8 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–KTM that never appear on search engines, with no booking fees.