Need help booking?
Unpublished phone-only deals available
RIW to DUC: distance & flight time
Riverton WY (Riverton Regional Airport) → Duncan (Halliburton Field)
819 mi
1,318 km · 711 nm
2h 15m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RIW→DUC fares Phone-only fares on this route — call free
Flight time details
819 miles nonstop takes roughly 2h 15m 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
- RIW — Riverton Regional Airport · Riverton WY, United States
- DUC — Halliburton Field · Duncan, 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
Near DUC
Frequently asked questions
How far is RIW from DUC?
The flight distance from Riverton WY (RIW) to Duncan (DUC) is 819 miles (1,318 km, 711 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to DUC?
A nonstop flight takes about 2h 15m 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 Duncan?
Duncan is 1 hour ahead of Riverton WY.
What is the cheapest way to fly from RIW to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–DUC that never appear on search engines, with no booking fees.