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GAI to SDJ: distance & flight time
Gaithersburg (Montgomery County Airpark) → Sendai (Sendai Airport)
6,575 mi
10,581 km · 5,713 nm
13h 22m
estimated nonstop flight time
+13h
time difference · heading northwest
See live GAI→SDJ fares Phone-only fares on this route — call free
Flight time details
6,575 miles nonstop takes roughly 13h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- SDJ — Sendai Airport · Sendai, Japan
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 SDJ
- GAJ · Yamagata Airport35 mi away
- FKS · Fukushima Airport68 mi away
- SYO · Shonai Airport77 mi away
- HNA · Hanamaki Airport90 mi away
Frequently asked questions
How far is GAI from SDJ?
The flight distance from Gaithersburg (GAI) to Sendai (SDJ) is 6,575 miles (10,581 km, 5,713 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to SDJ?
A nonstop flight takes about 13h 22m 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 Sendai?
Sendai is 13 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to SDJ?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–SDJ that never appear on search engines, with no booking fees.