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GEX to GAI: distance & flight time
Geelong (Geelong Airport) → Gaithersburg (Montgomery County Airpark)
10,218 mi
16,444 km · 8,879 nm
20h 30m
estimated nonstop flight time
-14h
time difference · heading east
See live GEX→GAI fares Phone-only fares on this route — call free
Flight time details
10,218 miles nonstop takes roughly 20h 30m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- GEX — Geelong Airport · Geelong, Australia
- GAI — Montgomery County Airpark · Gaithersburg, United States
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 GEX
- AVV · Avalon Airport15 mi away
- MBW · Melbourne Moorabbin Airport45 mi away
- MEB · Melbourne Essendon Airport46 mi away
- MEL · Melbourne International Airport47 mi away
Near GAI
Frequently asked questions
How far is GEX from GAI?
The flight distance from Geelong (GEX) to Gaithersburg (GAI) 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 GEX to GAI?
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 Geelong and Gaithersburg?
Gaithersburg is 14 hours behind Geelong.
What is the cheapest way to fly from GEX to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GEX–GAI that never appear on search engines, with no booking fees.