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IAD to RIW: distance & flight time
Washington (Washington Dulles International Airport) → Riverton WY (Riverton Regional Airport)
1,632 mi
2,626 km · 1,418 nm
3h 40m
estimated nonstop flight time
-2h
time difference · heading west
See live IAD→RIW fares Phone-only fares on this route — call free
Flight time details
1,632 miles nonstop takes roughly 3h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- RIW — Riverton Regional Airport · Riverton WY, 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 IAD
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 IAD from RIW?
The flight distance from Washington (IAD) to Riverton WY (RIW) 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 IAD to RIW?
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 Washington and Riverton WY?
Riverton WY is 2 hours behind Washington.
What is the cheapest way to fly from IAD to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–RIW that never appear on search engines, with no booking fees.