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SPF to GEX: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Geelong (Geelong Airport)
8,980 mi
14,453 km · 7,804 nm
18h 5m
estimated nonstop flight time
+16h
time difference · heading west
See live SPF→GEX fares Phone-only fares on this route — call free
Flight time details
8,980 miles nonstop takes roughly 18h 5m 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
- GEX — Geelong Airport · Geelong, 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 GEX
- AVV · Avalon Airport15 mi away
- MBW · Melbourne Moorabbin Airport45 mi away
- MEB · Melbourne Essendon Airport46 mi away
- MEL · Melbourne International Airport47 mi away
Frequently asked questions
How far is SPF from GEX?
The flight distance from Spearfish-South Dakota (SPF) to Geelong (GEX) is 8,980 miles (14,453 km, 7,804 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to GEX?
A nonstop flight takes about 18h 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 Geelong?
Geelong is 16 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to GEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–GEX that never appear on search engines, with no booking fees.