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KSO to RER: distance & flight time
Kastoria (Kastoria National Airport) → Retalhuleu (Retalhuleu Airport)
6,714 mi
10,806 km · 5,835 nm
13h 38m
estimated nonstop flight time
-9h
time difference · heading northwest
See live KSO→RER fares Phone-only fares on this route — call free
Flight time details
6,714 miles nonstop takes roughly 13h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- KSO — Kastoria National Airport · Kastoria, Greece
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
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 KSO
- KZI · Filippos Airport31 mi away
- IOA · Ioannina Airport57 mi away
- OHD · Ohrid St. Paul the Apostle Airport58 mi away
- LRA · Larisa Airport83 mi away
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
Frequently asked questions
How far is KSO from RER?
The flight distance from Kastoria (KSO) to Retalhuleu (RER) is 6,714 miles (10,806 km, 5,835 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KSO to RER?
A nonstop flight takes about 13h 38m 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 Kastoria and Retalhuleu?
Retalhuleu is 9 hours behind Kastoria.
What is the cheapest way to fly from KSO to RER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KSO–RER that never appear on search engines, with no booking fees.