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SPF to SIF: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Simara (Simara Airport)
7,456 mi
11,999 km · 6,479 nm
15h 5m
estimated nonstop flight time
+11.8h
time difference · heading north
See live SPF→SIF fares Phone-only fares on this route — call free
Flight time details
7,456 miles nonstop takes roughly 15h 5m 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
- SIF — Simara Airport · Simara, 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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
Frequently asked questions
How far is SPF from SIF?
The flight distance from Spearfish-South Dakota (SPF) to Simara (SIF) is 7,456 miles (11,999 km, 6,479 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to SIF?
A nonstop flight takes about 15h 5m 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 Simara?
Simara is 11.8 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to SIF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–SIF that never appear on search engines, with no booking fees.