Need help booking?
Unpublished phone-only deals available
RER to GUS: distance & flight time
Retalhuleu (Retalhuleu Airport) → Peru (Grissom Air Reserve Base)
1,836 mi
2,955 km · 1,595 nm
4h 4m
estimated nonstop flight time
+2h
time difference · heading north
See live RER→GUS fares Phone-only fares on this route — call free
Flight time details
1,836 miles nonstop takes roughly 4h 4m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- RER — Retalhuleu Airport · Retalhuleu, Guatemala
- GUS — Grissom Air Reserve Base · Peru, 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 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 GUS
- OKK · Kokomo Municipal Airport10 mi away
- LAF · Purdue University Airport44 mi away
- AID · Anderson Municipal Darlington Field47 mi away
- MIE · Delaware County Johnson Field49 mi away
Frequently asked questions
How far is RER from GUS?
The flight distance from Retalhuleu (RER) to Peru (GUS) is 1,836 miles (2,955 km, 1,595 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RER to GUS?
A nonstop flight takes about 4h 4m 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 Retalhuleu and Peru?
Peru is 2 hours ahead of Retalhuleu.
What is the cheapest way to fly from RER to GUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RER–GUS that never appear on search engines, with no booking fees.