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FNL to SDU: distance & flight time
Fort Collins (Northern Colorado Regional Airport) → Rio De Janeiro (Santos Dumont Airport)
5,909 mi
9,509 km · 5,135 nm
12h 3m
estimated nonstop flight time
+3h
time difference · heading southeast
See live FNL→SDU fares Phone-only fares on this route — call free
Flight time details
5,909 miles nonstop takes roughly 12h 3m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- FNL — Northern Colorado Regional Airport · Fort Collins, United States
- SDU — Santos Dumont Airport · Rio De Janeiro, Brazil
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 SDU
- GIG · Rio Galeão – Tom Jobim International Airport9 mi away
- QNV · Aeroclube Airport22 mi away
- SNZ · Santa Cruz Air Force Base35 mi away
- CFB · Cabo Frio Airport69 mi away
Frequently asked questions
How far is FNL from SDU?
The flight distance from Fort Collins (FNL) to Rio De Janeiro (SDU) is 5,909 miles (9,509 km, 5,135 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FNL to SDU?
A nonstop flight takes about 12h 3m 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 Rio De Janeiro?
Rio De Janeiro is 3 hours ahead of Fort Collins.
What is the cheapest way to fly from FNL to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FNL–SDU that never appear on search engines, with no booking fees.