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BOS to SDU: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Rio De Janeiro (Santos Dumont Airport)
4,847 mi
7,801 km · 4,212 nm
9h 58m
estimated nonstop flight time
+1h
time difference · heading southeast
See live BOS→SDU fares Phone-only fares on this route — call free
Flight time details
4,847 miles nonstop takes roughly 9h 58m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- BOS — General Edward Lawrence Logan International Airport · Boston, 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 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 BOS from SDU?
The flight distance from Boston (BOS) to Rio De Janeiro (SDU) is 4,847 miles (7,801 km, 4,212 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to SDU?
A nonstop flight takes about 9h 58m 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 Boston and Rio De Janeiro?
Rio De Janeiro is 1 hour ahead of Boston.
What is the cheapest way to fly from BOS to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–SDU that never appear on search engines, with no booking fees.