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RND to SDU: distance & flight time
San Antonio (Randolph Air Force Base) → Rio De Janeiro (Santos Dumont Airport)
5,150 mi
8,289 km · 4,476 nm
10h 34m
estimated nonstop flight time
+2h
time difference · heading southeast
See live RND→SDU fares Phone-only fares on this route — call free
Flight time details
5,150 miles nonstop takes roughly 10h 34m 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
- RND — Randolph Air Force Base · San Antonio, 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 RND
- SAT · San Antonio International Airport11 mi away
- SSF · Stinson Municipal Airport18 mi away
- AUS · Austin Bergstrom International Airport59 mi away
- SKF · Lackland Air Force Base21 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 RND from SDU?
The flight distance from San Antonio (RND) to Rio De Janeiro (SDU) is 5,150 miles (8,289 km, 4,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RND to SDU?
A nonstop flight takes about 10h 34m 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 San Antonio and Rio De Janeiro?
Rio De Janeiro is 2 hours ahead of San Antonio.
What is the cheapest way to fly from RND to SDU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RND–SDU that never appear on search engines, with no booking fees.