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GAI to GEX: distance & flight time
Gaithersburg (Montgomery County Airpark) → Geelong (Geelong Airport)
10,218 mi
16,444 km · 8,879 nm
20h 30m
estimated nonstop flight time
+14h
time difference · heading west
See live GAI→GEX fares Phone-only fares on this route — call free
Flight time details
10,218 miles nonstop takes roughly 20h 30m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, 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 GAI
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 GAI from GEX?
The flight distance from Gaithersburg (GAI) to Geelong (GEX) is 10,218 miles (16,444 km, 8,879 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to GEX?
A nonstop flight takes about 20h 30m 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 Gaithersburg and Geelong?
Geelong is 14 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to GEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–GEX that never appear on search engines, with no booking fees.