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GAI to HLT: distance & flight time
Gaithersburg (Montgomery County Airpark) → Hamilton (Hamilton Airport)
10,327 mi
16,619 km · 8,974 nm
20h 43m
estimated nonstop flight time
+14h
time difference · heading west
See live GAI→HLT fares Phone-only fares on this route — call free
Flight time details
10,327 miles nonstop takes roughly 20h 43m 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
- HLT — Hamilton Airport · Hamilton, 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 HLT
- WMB · Warrnambool Airport49 mi away
- SWC · Stawell Airport54 mi away
- PTJ · Portland Airport56 mi away
- ARY · Ararat Airport56 mi away
Frequently asked questions
How far is GAI from HLT?
The flight distance from Gaithersburg (GAI) to Hamilton (HLT) is 10,327 miles (16,619 km, 8,974 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to HLT?
A nonstop flight takes about 20h 43m 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 Hamilton?
Hamilton is 14 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to HLT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–HLT that never appear on search engines, with no booking fees.