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RCA to PSS: distance & flight time
Rapid City (Ellsworth Air Force Base) → Posadas (Libertador Gral D Jose De San Martin Airport)
5,770 mi
9,286 km · 5,014 nm
11h 47m
estimated nonstop flight time
+3h
time difference · heading southeast
See live RCA→PSS fares Phone-only fares on this route — call free
Flight time details
5,770 miles nonstop takes roughly 11h 47m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- RCA — Ellsworth Air Force Base · Rapid City, United States
- PSS — Libertador Gral D Jose De San Martin Airport · Posadas, Argentina
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 RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
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
Frequently asked questions
How far is RCA from PSS?
The flight distance from Rapid City (RCA) to Posadas (PSS) is 5,770 miles (9,286 km, 5,014 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RCA to PSS?
A nonstop flight takes about 11h 47m 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 Rapid City and Posadas?
Posadas is 3 hours ahead of Rapid City.
What is the cheapest way to fly from RCA to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RCA–PSS that never appear on search engines, with no booking fees.