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DMK to GAI: distance & flight time
Bangkok (Don Mueang International Airport) → Gaithersburg (Montgomery County Airpark)
8,766 mi
14,108 km · 7,618 nm
17h 39m
estimated nonstop flight time
-11h
time difference · heading north
See live DMK→GAI fares Phone-only fares on this route — call free
Flight time details
8,766 miles nonstop takes roughly 17h 39m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- DMK — Don Mueang International Airport · Bangkok, Thailand
- 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 DMK
- BKK · Suvarnabhumi Airport19 mi away
- KDT · Kamphaeng Saen Airport48 mi away
- UTP · U-Tapao International Airport89 mi away
- TKH · Takhli Airport97 mi away
Near GAI
Frequently asked questions
How far is DMK from GAI?
The flight distance from Bangkok (DMK) to Gaithersburg (GAI) is 8,766 miles (14,108 km, 7,618 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DMK to GAI?
A nonstop flight takes about 17h 39m 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 Bangkok and Gaithersburg?
Gaithersburg is 11 hours behind Bangkok.
What is the cheapest way to fly from DMK to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DMK–GAI that never appear on search engines, with no booking fees.