# Distance from Athens (ATH) to Casper (CPR)

> 9,726 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,726 km / 6,043 mi / 5,251 nm
- **Estimated flight time**: 12h
- **Heading**: 326° (northwest)
- **Return heading**: 37° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Greece) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -9h (When it's 02:40 in Athens, it's 17:40 in Casper)
- **Elevation difference**: 5,036 ft (CPR is higher than ATH)

## Airports

### [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

### [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)

- City: Casper, United States
- ICAO: KCPR
- Timezone: America/Denver
- Coordinates: 42.910000, -106.460000
- Elevation: 5,344 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 02:40 in Athens, it's 17:40 in Casper.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Eleftherios Venizelos International Airport (ATH)](https://www.flightduration.online/airport/ath-athens-eleftherios-venizelos-international-airport/1ef266df-4dd8-66cc-be87-06bb2780ed98)
- [Casper/Natrona County International Airport (CPR)](https://www.flightduration.online/airport/cpr-casper-caspernatrona-county-international-airport/1ef266df-14d5-6898-9a21-06bb2780ed98)
- [Flight duration calculator](/#calculator)