# Distance from St Marys (STQ) to Ottawa (YOW)

> 491 km · estimated flight time 2h · Regional route.

## Summary

- **Distance**: 491 km / 305 mi / 265 nm
- **Estimated flight time**: 2h
- **Heading**: 27° (north northeast)
- **Return heading**: 209° (south southwest)
- **Classification**: Regional
- **Type**: International (United States) → Canada
- **Time difference**: +0h (When it's 20:55 in St Marys, it's 20:55 in Ottawa)
- **Elevation difference**: 1,560 ft (YOW is lower than STQ)

## Airports

### [St Marys Municipal Airport (STQ)](https://www.flightduration.online/airport/stq-st-marys-st-marys-municipal-airport/1ef266df-31a7-60e8-a173-06bb2780ed98)

- City: St Marys, United States
- ICAO: KOYM
- Timezone: America/New_York
- Coordinates: 41.410000, -78.500000
- Elevation: 1,934 ft

### [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)

- City: Ottawa, Canada
- ICAO: CYOW
- Timezone: America/Toronto
- Coordinates: 45.320000, -75.670000
- Elevation: 374 ft

## Route notes

This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.

## Related

- [St Marys Municipal Airport (STQ)](https://www.flightduration.online/airport/stq-st-marys-st-marys-municipal-airport/1ef266df-31a7-60e8-a173-06bb2780ed98)
- [Ottawa / Macdonald-Cartier International Airport (YOW)](https://www.flightduration.online/airport/yow-ottawa-ottawa-macdonald-cartier-international-airport/1ef266de-b189-6992-9daf-06bb2780ed98)
- [Flight duration calculator](/#calculator)