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IAD to RIA: distance & flight time
Washington (Washington Dulles International Airport) → Santa Maria (Santa Maria Airport)
4,984 mi
8,022 km · 4,331 nm
10h 14m
estimated nonstop flight time
+1h
time difference · heading south
See live IAD→RIA fares Phone-only fares on this route — call free
Flight time details
4,984 miles nonstop takes roughly 10h 14m gate to gate, flying south. 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
- IAD — Washington Dulles International Airport · Washington, United States
- RIA — Santa Maria Airport · Santa Maria, 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 IAD
Near RIA
- GEL · Santo Ângelo Airport103 mi away
- BGX · Comandante Gustavo Kraemer Airport119 mi away
- PFB · Lauro Kurtz Airport131 mi away
- SRA · Santa Rosa Airport134 mi away
Frequently asked questions
How far is IAD from RIA?
The flight distance from Washington (IAD) to Santa Maria (RIA) is 4,984 miles (8,022 km, 4,331 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to RIA?
A nonstop flight takes about 10h 14m 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 Washington and Santa Maria?
Santa Maria is 1 hour ahead of Washington.
What is the cheapest way to fly from IAD to RIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–RIA that never appear on search engines, with no booking fees.