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CMI to RER: distance & flight time
Champaign (University of Illinois Willard Airport) → Retalhuleu (Retalhuleu Airport)
1,775 mi
2,857 km · 1,543 nm
3h 57m
estimated nonstop flight time
-1h
time difference · heading south
See live CMI→RER fares Phone-only fares on this route — call free
Flight time details
1,775 miles nonstop takes roughly 3h 57m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CMI — University of Illinois Willard Airport · Champaign, 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 CMI
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 CMI from RER?
The flight distance from Champaign (CMI) to Retalhuleu (RER) is 1,775 miles (2,857 km, 1,543 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMI to RER?
A nonstop flight takes about 3h 57m 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 Champaign and Retalhuleu?
Retalhuleu is 1 hour behind Champaign.
What is the cheapest way to fly from CMI to RER?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMI–RER that never appear on search engines, with no booking fees.