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GAI to CSM: distance & flight time
Gaithersburg (Montgomery County Airpark) → Clinton (Clinton Sherman Airport)
1,237 mi
1,991 km · 1,075 nm
3h 9m
estimated nonstop flight time
-1h
time difference · heading west
See live GAI→CSM fares Phone-only fares on this route — call free
Flight time details
1,237 miles nonstop takes roughly 3h 9m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- CSM — Clinton Sherman Airport · Clinton, 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 CSM
- HBR · Hobart Regional Airport26 mi away
- LTS · Altus Air Force Base47 mi away
- FSI · Henry Post Army Air Field (Fort Sill)66 mi away
- LAW · Lawton Fort Sill Regional Airport69 mi away
Frequently asked questions
How far is GAI from CSM?
The flight distance from Gaithersburg (GAI) to Clinton (CSM) is 1,237 miles (1,991 km, 1,075 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to CSM?
A nonstop flight takes about 3h 9m 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 Clinton?
Clinton is 1 hour behind Gaithersburg.
What is the cheapest way to fly from GAI to CSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–CSM that never appear on search engines, with no booking fees.