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MRB to PSS: distance & flight time
Martinsburg (Eastern WV Regional Airport/Shepherd Field) → Posadas (Libertador Gral D Jose De San Martin Airport)
4,828 mi
7,769 km · 4,195 nm
9h 56m
estimated nonstop flight time
+1h
time difference · heading south
See live MRB→PSS fares Phone-only fares on this route — call free
Flight time details
4,828 miles nonstop takes roughly 9h 56m gate to gate, flying south. 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
- MRB — Eastern WV Regional Airport/Shepherd Field · Martinsburg, 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 MRB
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 MRB from PSS?
The flight distance from Martinsburg (MRB) to Posadas (PSS) is 4,828 miles (7,769 km, 4,195 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MRB to PSS?
A nonstop flight takes about 9h 56m 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 Martinsburg and Posadas?
Posadas is 1 hour ahead of Martinsburg.
What is the cheapest way to fly from MRB to PSS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MRB–PSS that never appear on search engines, with no booking fees.