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IAD to RAO: distance & flight time
Washington (Washington Dulles International Airport) → Ribeirao Preto (Leite Lopes Airport)
4,574 mi
7,361 km · 3,974 nm
9h 26m
estimated nonstop flight time
+1h
time difference · heading southeast
See live IAD→RAO fares Phone-only fares on this route — call free
Flight time details
4,574 miles nonstop takes roughly 9h 26m 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
- IAD — Washington Dulles International Airport · Washington, United States
- RAO — Leite Lopes Airport · Ribeirao Preto, 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 RAO
- FRC · Tenente Lund Pressoto Airport45 mi away
- AQA · Araraquara Airport52 mi away
- QSC · Mário Pereira Lopes–São Carlos Airport52 mi away
- QPS · Campo Fontenelle Airport65 mi away
Frequently asked questions
How far is IAD from RAO?
The flight distance from Washington (IAD) to Ribeirao Preto (RAO) is 4,574 miles (7,361 km, 3,974 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to RAO?
A nonstop flight takes about 9h 26m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from IAD to RAO?
Nonstop service on IAD–RAO depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 9h 26m nonstop estimate.
What is the time difference between Washington and Ribeirao Preto?
Ribeirao Preto is 1 hour ahead of Washington.
What is the cheapest way to fly from IAD to RAO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–RAO that never appear on search engines, with no booking fees.
Why are some IAD to RAO fares phone-only?
Consolidator contracts let us sell certain IAD–RAO tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.