Need help booking?
Unpublished phone-only deals available
PSM to SDU: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Rio De Janeiro (Santos Dumont Airport)
4,887 mi
7,865 km · 4,247 nm
10h 3m
estimated nonstop flight time
+1h
time difference · heading southeast
See live PSM→SDU fares Phone-only fares on this route — call free
Flight time details
4,887 miles nonstop takes roughly 10h 3m 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 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 PSM from SDU?
The flight distance from Portsmouth (PSM) to Rio De Janeiro (SDU) is 4,887 miles (7,865 km, 4,247 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to SDU?
A nonstop flight takes about 10h 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 Portsmouth and Rio De Janeiro?
Rio De Janeiro is 1 hour ahead of Portsmouth.
What is the cheapest way to fly from PSM to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–SDU that never appear on search engines, with no booking fees.