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SEP to SDU: distance & flight time
Stephenville (Stephenville Clark Regional Airport) → Rio De Janeiro (Santos Dumont Airport)
5,262 mi
8,468 km · 4,572 nm
10h 47m
estimated nonstop flight time
+2h
time difference · heading southeast
See live SEP→SDU fares Phone-only fares on this route — call free
Flight time details
5,262 miles nonstop takes roughly 10h 47m gate to gate, flying southeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 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 SEP from SDU?
The flight distance from Stephenville (SEP) to Rio De Janeiro (SDU) is 5,262 miles (8,468 km, 4,572 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEP to SDU?
A nonstop flight takes about 10h 47m 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 Stephenville and Rio De Janeiro?
Rio De Janeiro is 2 hours ahead of Stephenville.
What is the cheapest way to fly from SEP to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEP–SDU that never appear on search engines, with no booking fees.