Need help booking?
Unpublished phone-only deals available
RIW to SDY: distance & flight time
Riverton WY (Riverton Regional Airport) → Sidney (Sidney - Richland Regional Airport)
382 mi
614 km · 332 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading northeast
See live RIW→SDY fares Phone-only fares on this route — call free
Flight time details
382 miles nonstop takes roughly 1h 28m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RIW — Riverton Regional Airport · Riverton WY, United States
- SDY — Sidney - Richland Regional Airport · Sidney, 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 mi away
Frequently asked questions
How far is RIW from SDY?
The flight distance from Riverton WY (RIW) to Sidney (SDY) is 382 miles (614 km, 332 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to SDY?
A nonstop flight takes about 1h 28m 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 cheapest way to fly from RIW to SDY?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–SDY that never appear on search engines, with no booking fees.