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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDJ–GAI that never appear on search engines, with no booking fees.