# Distance from Klamath Falls (LMT) to Sofia (SOF)

> 9,955 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 9,955 km / 6,186 mi / 5,376 nm
- **Estimated flight time**: 13h
- **Heading**: 25° (north northeast)
- **Return heading**: 335° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +10h (When it's 19:54 in Klamath Falls, it's 05:54 in Sofia)
- **Elevation difference**: 2,353 ft (SOF is lower than LMT)

## Airports

### [Crater Lake/Klamath Regional Airport (LMT)](https://www.flightduration.online/airport/lmt-klamath-falls-crater-lakeklamath-regional-airport/1ef266df-27c0-6a66-9c52-06bb2780ed98)

- City: Klamath Falls, United States
- ICAO: KLMT
- Timezone: America/Los_Angeles
- Coordinates: 42.160000, -121.730000
- Elevation: 4,095 ft

### [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

## 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 19:54 in Klamath Falls, it's 05:54 in Sofia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Crater Lake/Klamath Regional Airport (LMT)](https://www.flightduration.online/airport/lmt-klamath-falls-crater-lakeklamath-regional-airport/1ef266df-27c0-6a66-9c52-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)