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SBD to GAI: distance & flight time
San Bernardino (San Bernardino International Airport) → Gaithersburg (Montgomery County Airpark)
2,231 mi
3,590 km · 1,939 nm
4h 50m
estimated nonstop flight time
+3h
time difference · heading east
See live SBD→GAI fares Phone-only fares on this route — call free
Flight time details
2,231 miles nonstop takes roughly 4h 50m 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
- SBD — San Bernardino International Airport · San Bernardino, 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 SBD
- RIV · March ARB Airport15 mi away
- RAL · Riverside Municipal Airport16 mi away
- ONT · Ontario International Airport21 mi away
- CNO · Chino Airport24 mi away
Near GAI
Frequently asked questions
How far is SBD from GAI?
The flight distance from San Bernardino (SBD) to Gaithersburg (GAI) is 2,231 miles (3,590 km, 1,939 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SBD to GAI?
A nonstop flight takes about 4h 50m 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 Bernardino and Gaithersburg?
Gaithersburg is 3 hours ahead of San Bernardino.
What is the cheapest way to fly from SBD to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SBD–GAI that never appear on search engines, with no booking fees.