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GAI to FNL: distance & flight time
Gaithersburg (Montgomery County Airpark) → Fort Collins (Northern Colorado Regional Airport)
1,474 mi
2,373 km · 1,281 nm
3h 40m
estimated nonstop flight time
-2h
time difference · heading west
See live GAI→FNL fares Phone-only fares on this route — call free
Flight time details
1,474 miles nonstop takes roughly 3h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- FNL — Northern Colorado Regional Airport · Fort Collins, 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 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
Frequently asked questions
How far is GAI from FNL?
The flight distance from Gaithersburg (GAI) to Fort Collins (FNL) 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 GAI to FNL?
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 Gaithersburg and Fort Collins?
Fort Collins is 2 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to FNL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–FNL that never appear on search engines, with no booking fees.