# Distance from Helsinki (HEL) to Welverdiend (TDT)

> 9,453 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,453 km / 5,874 mi / 5,104 nm
- **Estimated flight time**: 12h
- **Heading**: 174° (south)
- **Return heading**: 357° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Finland) → South Africa
- **Intercontinental**: Europe → Africa
- **Time difference**: -1h (When it's 00:51 in Helsinki, it's 23:51 in Welverdiend)
- **Elevation difference**: 1,376 ft (TDT is higher than HEL)

## Airports

### [Helsinki Vantaa Airport (HEL)](https://www.flightduration.online/airport/hel-helsinki-helsinki-vantaa-airport/1ef266de-c121-6940-a083-06bb2780ed98)

- City: Helsinki, Finland
- ICAO: EFHK
- Timezone: Europe/Helsinki
- Coordinates: 60.320000, 24.960000
- Elevation: 179 ft

### [Tanda Tula Airport (TDT)](https://www.flightduration.online/airport/tdt-welverdiend-tanda-tula-airport/1ef266de-d4b5-65ec-a458-06bb2780ed98)

- City: Welverdiend, South Africa
- ICAO: FATD
- Timezone: Africa/Johannesburg
- Coordinates: -24.530000, 31.300000
- Elevation: 1,555 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 00:51 in Helsinki, it's 23:51 in Welverdiend.

## Related

- [Helsinki Vantaa Airport (HEL)](https://www.flightduration.online/airport/hel-helsinki-helsinki-vantaa-airport/1ef266de-c121-6940-a083-06bb2780ed98)
- [Tanda Tula Airport (TDT)](https://www.flightduration.online/airport/tdt-welverdiend-tanda-tula-airport/1ef266de-d4b5-65ec-a458-06bb2780ed98)
- [Flight duration calculator](/#calculator)