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SPF to GFN: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Grafton (Grafton Airport)
8,241 mi
13,263 km · 7,162 nm
16h 38m
estimated nonstop flight time
+16h
time difference · heading west
See live SPF→GFN fares Phone-only fares on this route — call free
Flight time details
8,241 miles nonstop takes roughly 16h 38m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-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
- GFN — Grafton Airport · Grafton, Australia
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 GFN
- CFS · Coffs Harbour Airport39 mi away
- LSY · Lismore Airport66 mi away
- BNK · Ballina Byron Gateway Airport72 mi away
- GLI · Glen Innes Airport81 mi away
Frequently asked questions
How far is SPF from GFN?
The flight distance from Spearfish-South Dakota (SPF) to Grafton (GFN) is 8,241 miles (13,263 km, 7,162 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GFN?
A nonstop flight takes about 16h 38m 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 Grafton?
Grafton is 16 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to GFN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GFN that never appear on search engines, with no booking fees.