Need help booking?
Unpublished phone-only deals available
ASH to SDU: distance & flight time
Nashua (Boire Field) → Rio De Janeiro (Santos Dumont Airport)
4,885 mi
7,861 km · 4,245 nm
10h 3m
estimated nonstop flight time
+1h
time difference · heading southeast
See live ASH→SDU fares Phone-only fares on this route — call free
Flight time details
4,885 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
- ASH — Boire Field · Nashua, 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 ASH
- BOS · General Edward Lawrence Logan International Airport39 mi away
- MHT · Manchester-Boston Regional Airport11 mi away
- LWM · Lawrence Municipal Airport20 mi away
- BED · Laurence G Hanscom Field24 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 ASH from SDU?
The flight distance from Nashua (ASH) to Rio De Janeiro (SDU) is 4,885 miles (7,861 km, 4,245 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASH 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 Nashua and Rio De Janeiro?
Rio De Janeiro is 1 hour ahead of Nashua.
What is the cheapest way to fly from ASH to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASH–SDU that never appear on search engines, with no booking fees.