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GAI to SQL: distance & flight time
Gaithersburg (Montgomery County Airpark) → San Carlos (San Carlos Airport)
2,421 mi
3,896 km · 2,103 nm
5h 13m
estimated nonstop flight time
-3h
time difference · heading west
See live GAI→SQL fares Phone-only fares on this route — call free
Flight time details
2,421 miles nonstop takes roughly 5h 13m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- SQL — San Carlos Airport · San Carlos, 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 GAI
Near SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
Frequently asked questions
How far is GAI from SQL?
The flight distance from Gaithersburg (GAI) to San Carlos (SQL) is 2,421 miles (3,896 km, 2,103 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to SQL?
A nonstop flight takes about 5h 13m 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 San Carlos?
San Carlos is 3 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–SQL that never appear on search engines, with no booking fees.