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SPF to GAU: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Guwahati (Lokpriya Gopinath Bordoloi International Airport)
7,464 mi
12,012 km · 6,486 nm
15h 6m
estimated nonstop flight time
+11.5h
time difference · heading north
See live SPF→GAU fares Phone-only fares on this route — call free
Flight time details
7,464 miles nonstop takes roughly 15h 6m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11.5-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
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 mi away
Frequently asked questions
How far is SPF from GAU?
The flight distance from Spearfish-South Dakota (SPF) to Guwahati (GAU) is 7,464 miles (12,012 km, 6,486 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GAU?
A nonstop flight takes about 15h 6m 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 Guwahati?
Guwahati is 11.5 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to GAU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GAU that never appear on search engines, with no booking fees.