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RIW to IAD: distance & flight time
Riverton WY (Riverton Regional Airport) → Washington (Washington Dulles International Airport)
1,632 mi
2,626 km · 1,418 nm
3h 40m
estimated nonstop flight time
+2h
time difference · heading east
See live RIW→IAD fares Phone-only fares on this route — call free
Flight time details
1,632 miles nonstop takes roughly 3h 40m gate to gate, flying east. 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
- RIW — Riverton Regional Airport · Riverton WY, United States
- IAD — Washington Dulles International Airport · Washington, United States
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 RIW
- LND · Hunt Field22 mi away
- WRL · Worland Municipal Airport67 mi away
- PWY · Ralph Wenz Field71 mi away
- BPI · Miley Memorial Field90 mi away
Frequently asked questions
How far is RIW from IAD?
The flight distance from Riverton WY (RIW) to Washington (IAD) is 1,632 miles (2,626 km, 1,418 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to IAD?
A nonstop flight takes about 3h 40m 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 Riverton WY and Washington?
Washington is 2 hours ahead of Riverton WY.
What is the cheapest way to fly from RIW to IAD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–IAD that never appear on search engines, with no booking fees.