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RER to OSR: distance & flight time
Retalhuleu (Retalhuleu Airport) → Ostrava (Ostrava Leos Janáček Airport)
6,301 mi
10,141 km · 5,476 nm
12h 49m
estimated nonstop flight time
+8h
time difference · heading northeast
See live RER→OSR fares Phone-only fares on this route — call free
Flight time details
6,301 miles nonstop takes roughly 12h 49m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
- OSR — Ostrava Leos Janáček Airport · Ostrava, Czech Republic
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 RER
- AAZ · Quezaltenango Airport27 mi away
- TAP · Tapachula International Airport49 mi away
- AQB · Santa Cruz del Quiche Airport50 mi away
- GSJ · San José Airport70 mi away
Near OSR
- PRV · Přerov Air Base37 mi away
- ILZ · Žilina Airport39 mi away
- UHE · Kunovice Airport55 mi away
- KTW · Katowice International Airport69 mi away
Frequently asked questions
How far is RER from OSR?
The flight distance from Retalhuleu (RER) to Ostrava (OSR) is 6,301 miles (10,141 km, 5,476 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RER to OSR?
A nonstop flight takes about 12h 49m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from RER to OSR?
Nonstop service on RER–OSR depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 12h 49m nonstop estimate.
What is the time difference between Retalhuleu and Ostrava?
Ostrava is 8 hours ahead of Retalhuleu.
What is the cheapest way to fly from RER to OSR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RER–OSR that never appear on search engines, with no booking fees.
Why are some RER to OSR fares phone-only?
Consolidator contracts let us sell certain RER–OSR tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.