# Distance from Alton/St Louis (ALN) to Athens (ATH)

> 9,136 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,136 km / 5,677 mi / 4,933 nm
- **Estimated flight time**: 12h
- **Heading**: 47° (northeast)
- **Return heading**: 314° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Greece
- **Intercontinental**: North America → Europe
- **Time difference**: +8h (When it's 07:02 in Alton/St Louis, it's 15:02 in Athens)
- **Elevation difference**: 236 ft (ATH is lower than ALN)

## Airports

### [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)

- City: Alton/St Louis, United States
- ICAO: KALN
- Timezone: America/Chicago
- Coordinates: 38.890000, -90.050000
- Elevation: 544 ft

### [Eleftherios Venizelos International Airport (ATH)](https://www.flightduration.online/airport/ath-athens-eleftherios-venizelos-international-airport/1ef266df-4dd8-66cc-be87-06bb2780ed98)

- City: Athens, Greece
- ICAO: LGAV
- Timezone: Europe/Athens
- Coordinates: 37.940000, 23.940000
- Elevation: 308 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 07:02 in Alton/St Louis, it's 15:02 in Athens.
With a 8-hour time difference, expect significant jet lag.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Eleftherios Venizelos International Airport (ATH)](https://www.flightduration.online/airport/ath-athens-eleftherios-venizelos-international-airport/1ef266df-4dd8-66cc-be87-06bb2780ed98)
- [Flight duration calculator](/#calculator)