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FNL to GUS: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Peru (Grissom Air Reserve Base)
988 mi
1,590 km · 859 nm
2h 37m
estimated nonstop flight time
+2h
time difference · heading east
See live FNL→GUS fares Phone-only fares on this route — call free
Flight time details
988 miles nonstop takes roughly 2h 37m 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
- GUS — Grissom Air Reserve Base · Peru, 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 GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 mi away
Frequently asked questions
How far is FNL from GUS?
The flight distance from Fort Collins (FNL) to Peru (GUS) is 988 miles (1,590 km, 859 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to GUS?
A nonstop flight takes about 2h 37m 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 Peru?
Peru is 2 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to GUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–GUS that never appear on search engines, with no booking fees.