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FNL to GAI: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Gaithersburg (Montgomery County Airpark)
1,474 mi
2,373 km · 1,281 nm
3h 40m
estimated nonstop flight time
+2h
time difference · heading east
See live FNL→GAI fares Phone-only fares on this route — call free
Flight time details
1,474 miles nonstop takes roughly 3h 40m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 FNL
- DEN · Denver International Airport45 mi away
- GXY · Greeley–Weld County Airport20 mi away
- WBU · Boulder Municipal Airport31 mi away
- BJC · Rocky Mountain Metropolitan Airport38 mi away
Near GAI
Frequently asked questions
How far is FNL from GAI?
The flight distance from Fort Collins (FNL) to Gaithersburg (GAI) is 1,474 miles (2,373 km, 1,281 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to GAI?
A nonstop flight takes about 3h 40m 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 Fort Collins and Gaithersburg?
Gaithersburg is 2 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–GAI that never appear on search engines, with no booking fees.