# Distance from Seoul (ICN) to Retalhuleu (RER)

> 12,993 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,993 km / 8,074 mi / 7,016 nm
- **Estimated flight time**: 16h
- **Heading**: 42° (northeast)
- **Return heading**: 327° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (South Korea) → Guatemala
- **Intercontinental**: Asia → North America
- **Time difference**: -15h (When it's 12:04 in Seoul, it's 21:04 in Retalhuleu)
- **Elevation difference**: 633 ft (RER is higher than ICN)

## Airports

### [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)

- City: Seoul, South Korea
- ICAO: RKSI
- Timezone: Asia/Seoul
- Coordinates: 37.470000, 126.450000
- Elevation: 23 ft

### [Retalhuleu Airport (RER)](https://www.flightduration.online/airport/rer-retalhuleu-retalhuleu-airport/1ef266df-5cf0-6772-99c5-06bb2780ed98)

- City: Retalhuleu, Guatemala
- ICAO: MGRT
- Timezone: America/Guatemala
- Coordinates: 14.520000, -91.700000
- Elevation: 656 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 12:04 in Seoul, it's 21:04 in Retalhuleu.
With a 15-hour time difference, expect significant jet lag.

## Related

- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Retalhuleu Airport (RER)](https://www.flightduration.online/airport/rer-retalhuleu-retalhuleu-airport/1ef266df-5cf0-6772-99c5-06bb2780ed98)
- [Flight duration calculator](/#calculator)