# Distance from Sao Tome (TMS) to Ottawa (YOW)

> 9,382 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,382 km / 5,830 mi / 5,066 nm
- **Estimated flight time**: 12h
- **Heading**: 316° (northwest)
- **Return heading**: 95° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (São Tomé and Príncipe) → Canada
- **Intercontinental**: Africa → North America
- **Time difference**: -4h (When it's 14:49 in Sao Tome, it's 10:49 in Ottawa)
- **Elevation difference**: 341 ft (YOW is higher than TMS)

## Airports

### [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-06bb2780ed98)

- City: Sao Tome, São Tomé and Príncipe
- ICAO: FPST
- Timezone: Africa/Sao_Tome
- Coordinates: 0.380000, 6.710000
- Elevation: 33 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 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 14:49 in Sao Tome, it's 10:49 in Ottawa.
The 4-hour time difference may cause some jet lag.

## Related

- [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-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)