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SJC to GAI: distance & flight time
San Jose (Norman Y. Mineta San Jose International Airport) → Gaithersburg (Montgomery County Airpark)
2,407 mi
3,873 km · 2,091 nm
5h 11m
estimated nonstop flight time
+3h
time difference · heading east
See live SJC→GAI fares Phone-only fares on this route — call free
Flight time details
2,407 miles nonstop takes roughly 5h 11m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- SJC — Norman Y. Mineta San Jose International Airport · San Jose, 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
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Frequently asked questions
How far is SJC from GAI?
The flight distance from San Jose (SJC) to Gaithersburg (GAI) is 2,407 miles (3,873 km, 2,091 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SJC to GAI?
A nonstop flight takes about 5h 11m 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 San Jose and Gaithersburg?
Gaithersburg is 3 hours ahead of San Jose.
What is the cheapest way to fly from SJC to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SJC–GAI that never appear on search engines, with no booking fees.