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LWT to SDU: distance & flight time
Lewistown (Lewistown Municipal Airport) → Rio De Janeiro (Santos Dumont Airport)
6,348 mi
10,216 km · 5,516 nm
12h 55m
estimated nonstop flight time
+3h
time difference · heading southeast
See live LWT→SDU fares Phone-only fares on this route — call free
Flight time details
6,348 miles nonstop takes roughly 12h 55m 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
- LWT — Lewistown Municipal Airport · Lewistown, 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 LWT
- GTF · Great Falls International Airport94 mi away
- BIL · Billings Logan International Airport96 mi away
- HVR · Havre City County Airport104 mi away
- LVM · Mission Field104 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 LWT from SDU?
The flight distance from Lewistown (LWT) to Rio De Janeiro (SDU) is 6,348 miles (10,216 km, 5,516 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWT to SDU?
A nonstop flight takes about 12h 55m 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 Lewistown and Rio De Janeiro?
Rio De Janeiro is 3 hours ahead of Lewistown.
What is the cheapest way to fly from LWT to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWT–SDU that never appear on search engines, with no booking fees.