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GAI to RER: distance & flight time
Gaithersburg (Montgomery County Airpark) → Retalhuleu (Retalhuleu Airport)
1,918 mi
3,087 km · 1,667 nm
4h 14m
estimated nonstop flight time
-2h
time difference · heading southwest
See live GAI→RER fares Phone-only fares on this route — call free
Flight time details
1,918 miles nonstop takes roughly 4h 14m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- 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 GAI
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 GAI from RER?
The flight distance from Gaithersburg (GAI) to Retalhuleu (RER) is 1,918 miles (3,087 km, 1,667 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to RER?
A nonstop flight takes about 4h 14m 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 Gaithersburg and Retalhuleu?
Retalhuleu is 2 hours behind Gaithersburg.
What is the cheapest way to fly from GAI to RER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–RER that never appear on search engines, with no booking fees.