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PSS to RIW: distance & flight time
Posadas (Libertador Gral D Jose De San Martin Airport) → Riverton WY (Riverton Regional Airport)
5,898 mi
9,491 km · 5,125 nm
12h 2m
estimated nonstop flight time
-3h
time difference · heading northwest
See live PSS→RIW fares Phone-only fares on this route — call free
Flight time details
5,898 miles nonstop takes roughly 12h 2m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
- 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 PSS
- ENO · Encarnación Airport14 mi away
- AYO · Juan De Ayolas Airport54 mi away
- SRA · Santa Rosa Airport96 mi away
- ELO · El Dorado Airport110 mi away
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 PSS from RIW?
The flight distance from Posadas (PSS) to Riverton WY (RIW) is 5,898 miles (9,491 km, 5,125 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSS to RIW?
A nonstop flight takes about 12h 2m 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 Posadas and Riverton WY?
Riverton WY is 3 hours behind Posadas.
What is the cheapest way to fly from PSS to RIW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSS–RIW that never appear on search engines, with no booking fees.