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GAI to HLZ: distance & flight time
Gaithersburg (Montgomery County Airpark) → Hamilton (Hamilton International Airport)
8,628 mi
13,885 km · 7,497 nm
17h 23m
estimated nonstop flight time
+16h
time difference · heading southwest
See live GAI→HLZ fares Phone-only fares on this route — call free
Flight time details
8,628 miles nonstop takes roughly 17h 23m gate to gate, flying southwest. 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
- GAI — Montgomery County Airpark · Gaithersburg, United States
- HLZ — Hamilton International Airport · Hamilton, New Zealand
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 HLZ
- TRG · Tauranga Airport49 mi away
- ROT · Rotorua Regional Airport56 mi away
- AMZ · Ardmore Airport61 mi away
- AKL · Auckland International Airport66 mi away
Frequently asked questions
How far is GAI from HLZ?
The flight distance from Gaithersburg (GAI) to Hamilton (HLZ) is 8,628 miles (13,885 km, 7,497 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to HLZ?
A nonstop flight takes about 17h 23m 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 16 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to HLZ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–HLZ that never appear on search engines, with no booking fees.