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COU to GAI: distance & flight time
Columbia (Columbia Regional Airport) → Gaithersburg (Montgomery County Airpark)
808 mi
1,300 km · 702 nm
2h 13m
estimated nonstop flight time
+1h
time difference · heading east
See live COU→GAI fares Phone-only fares on this route — call free
Flight time details
808 miles nonstop takes roughly 2h 13m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- COU — Columbia Regional Airport · Columbia, 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 COU
- JEF · Jefferson City Memorial Airport16 mi away
- AIZ · Lee C Fine Memorial Airport53 mi away
- SZL · Whiteman Air Force Base72 mi away
- TBN · Waynesville-St. Robert Regional Forney field75 mi away
Near GAI
Frequently asked questions
How far is COU from GAI?
The flight distance from Columbia (COU) to Gaithersburg (GAI) is 808 miles (1,300 km, 702 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from COU to GAI?
A nonstop flight takes about 2h 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 Columbia and Gaithersburg?
Gaithersburg is 1 hour ahead of Columbia.
What is the cheapest way to fly from COU to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on COU–GAI that never appear on search engines, with no booking fees.