# Distance from Tehran (THR) to Ottawa (YOW)

> 9,553 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,553 km / 5,936 mi / 5,158 nm
- **Estimated flight time**: 12h
- **Heading**: 326° (northwest)
- **Return heading**: 41° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Iran) → Canada
- **Intercontinental**: Asia → North America
- **Time difference**: -7.5h (When it's 15:25 in Tehran, it's 07:55 in Ottawa)
- **Elevation difference**: 3,588 ft (YOW is lower than THR)

## Airports

### [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)

- City: Tehran, Iran
- ICAO: OIII
- Timezone: Asia/Tehran
- Coordinates: 35.690000, 51.310000
- Elevation: 3,962 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 15:25 in Tehran, it's 07:55 in Ottawa.
With a 7.5-hour time difference, expect significant jet lag.

## Related

- [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)
- [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)