# Distance from Filadelfia (FLM) to Seoul (ICN)

> 18,223 km · estimated flight time 22h · Ultra-long-haul route.

## Summary

- **Distance**: 18,223 km / 11,323 mi / 9,840 nm
- **Estimated flight time**: 22h
- **Heading**: 341° (north northwest)
- **Return heading**: 22° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Paraguay) → South Korea
- **Intercontinental**: South America → Asia
- **Time difference**: +12h (When it's 10:32 in Filadelfia, it's 22:32 in Seoul)
- **Elevation difference**: 400 ft (ICN is lower than FLM)

## Airports

### [Filadelfia Airport (FLM)](https://www.flightduration.online/airport/flm-filadelfia-filadelfia-airport/1ef266df-a5f2-6056-ae50-06bb2780ed98)

- City: Filadelfia, Paraguay
- ICAO: SGFI
- Timezone: America/Asuncion
- Coordinates: -22.360000, -60.050000
- Elevation: 423 ft

### [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

## 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 10:32 in Filadelfia, it's 22:32 in Seoul.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Filadelfia Airport (FLM)](https://www.flightduration.online/airport/flm-filadelfia-filadelfia-airport/1ef266df-a5f2-6056-ae50-06bb2780ed98)
- [Incheon International Airport (ICN)](https://www.flightduration.online/airport/icn-seoul-incheon-international-airport/1ef266df-8e0e-6aac-85a0-06bb2780ed98)
- [Flight duration calculator](/#calculator)