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RIW to CAT: distance & flight time
Riverton WY (Riverton Regional Airport) → Cascais (Cascais Airport)
4,858 mi
7,818 km · 4,221 nm
10h
estimated nonstop flight time
+7h
time difference · heading northeast
See live RIW→CAT fares Phone-only fares on this route — call free
Flight time details
4,858 miles nonstop takes roughly 10h gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- RIW — Riverton Regional Airport · Riverton WY, United States
- CAT — Cascais Airport · Cascais, Portugal
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 CAT
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)12 mi away
- AVR · Alverca Air Base21 mi away
- QLR · Monte Real Air Base80 mi away
- BYJ · Beja Airport / Airbase89 mi away
Frequently asked questions
How far is RIW from CAT?
The flight distance from Riverton WY (RIW) to Cascais (CAT) is 4,858 miles (7,818 km, 4,221 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RIW to CAT?
A nonstop flight takes about 10h 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 Cascais?
Cascais is 7 hours ahead of Riverton WY.
What is the cheapest way to fly from RIW to CAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RIW–CAT that never appear on search engines, with no booking fees.