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GAI to HDH: distance & flight time
Gaithersburg (Montgomery County Airpark) → Dillingham (Dillingham Airfield)
4,825 mi
7,766 km · 4,193 nm
9h 56m
estimated nonstop flight time
-6h
time difference · heading west
See live GAI→HDH fares Phone-only fares on this route — call free
Flight time details
4,825 miles nonstop takes roughly 9h 56m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- HDH — Dillingham Airfield · Dillingham, 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 GAI
Near HDH
- HNL · Daniel K Inouye International Airport25 mi away
- HHI · Wheeler Army Airfield12 mi away
- JRF · Kalaeloa Airport20 mi away
- NGF · Kaneohe Bay MCAS (Marion E. Carl Field) Airport29 mi away
Frequently asked questions
How far is GAI from HDH?
The flight distance from Gaithersburg (GAI) to Dillingham (HDH) is 4,825 miles (7,766 km, 4,193 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to HDH?
A nonstop flight takes about 9h 56m 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 Dillingham?
Dillingham is 6 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to HDH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–HDH that never appear on search engines, with no booking fees.