# Distance from Alton/St Louis (ALN) to Calgary (YYC)

> 2,306 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,306 km / 1,433 mi / 1,245 nm
- **Estimated flight time**: 4h
- **Heading**: 314° (northwest)
- **Return heading**: 117° (east southeast)
- **Classification**: Medium-haul
- **Type**: International (United States) → Canada
- **Time difference**: -1h (When it's 07:35 in Alton/St Louis, it's 06:35 in Calgary)
- **Elevation difference**: 3,014 ft (YYC is higher 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

### [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)

- City: Calgary, Canada
- ICAO: CYYC
- Timezone: America/Edmonton
- Coordinates: 51.110000, -114.020000
- Elevation: 3,557 ft

## Route notes

This is a medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 07:35 in Alton/St Louis, it's 06:35 in Calgary.

## Related

- [St Louis Regional Airport (ALN)](https://www.flightduration.online/airport/aln-altonst-louis-st-louis-regional-airport/1ef266df-0e15-6d96-bfee-06bb2780ed98)
- [Calgary International Airport (YYC)](https://www.flightduration.online/airport/yyc-calgary-calgary-international-airport/1ef266de-b3e4-6fe8-ad4a-06bb2780ed98)
- [Flight duration calculator](/#calculator)