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FNL to DEF: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Dezful (Dezful Airport)
7,122 mi
11,462 km · 6,189 nm
14h 26m
estimated nonstop flight time
+9.5h
time difference · heading northeast
See live FNL→DEF fares Phone-only fares on this route — call free
Flight time details
7,122 miles nonstop takes roughly 14h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9.5-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- DEF — Dezful Airport · Dezful, Iran
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 DEF
- KHD · Khoram Abad Airport69 mi away
- AWZ · Ahwaz Airport79 mi away
- OMI · Omidiyeh Airport129 mi away
- MRX · Mahshahr Airport137 mi away
Frequently asked questions
How far is FNL from DEF?
The flight distance from Fort Collins (FNL) to Dezful (DEF) is 7,122 miles (11,462 km, 6,189 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to DEF?
A nonstop flight takes about 14h 26m 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 Dezful?
Dezful is 9.5 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to DEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–DEF that never appear on search engines, with no booking fees.