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HDH to GAI: distance & flight time
Dillingham (Dillingham Airfield) → Gaithersburg (Montgomery County Airpark)
4,825 mi
7,766 km · 4,193 nm
9h 56m
estimated nonstop flight time
+6h
time difference · heading northeast
See live HDH→GAI fares Phone-only fares on this route — call free
Flight time details
4,825 miles nonstop takes roughly 9h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- HDH — Dillingham Airfield · Dillingham, United States
- 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 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
Near GAI
Frequently asked questions
How far is HDH from GAI?
The flight distance from Dillingham (HDH) to Gaithersburg (GAI) 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 HDH to GAI?
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 Dillingham and Gaithersburg?
Gaithersburg is 6 hours ahead of Dillingham.
What is the cheapest way to fly from HDH to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HDH–GAI that never appear on search engines, with no booking fees.