# Distance from Sofia (SOF) to Tonopah (XSD)

> 10,202 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,202 km / 6,339 mi / 5,509 nm
- **Estimated flight time**: 13h
- **Heading**: 330° (north northwest)
- **Return heading**: 28° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Bulgaria) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -10h (When it's 07:37 in Sofia, it's 21:37 in Tonopah)
- **Elevation difference**: 3,808 ft (XSD is higher than SOF)

## Airports

### [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)

- City: Sofia, Bulgaria
- ICAO: LBSF
- Timezone: Europe/Sofia
- Coordinates: 42.700000, 23.410000
- Elevation: 1,742 ft

### [Tonopah Test Range (XSD)](https://www.flightduration.online/airport/xsd-tonopah-tonopah-test-range/1ef266df-3bdc-6a7c-86ba-06bb2780ed98)

- City: Tonopah, United States
- ICAO: KTNX
- Timezone: America/Los_Angeles
- Coordinates: 37.800000, -116.800000
- Elevation: 5,550 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 07:37 in Sofia, it's 21:37 in Tonopah.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Tonopah Test Range (XSD)](https://www.flightduration.online/airport/xsd-tonopah-tonopah-test-range/1ef266df-3bdc-6a7c-86ba-06bb2780ed98)
- [Flight duration calculator](/#calculator)