# Distance from Sofia (SOF) to Summit (UMM)

> 8,207 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,207 km / 5,099 mi / 4,431 nm
- **Estimated flight time**: 11h
- **Heading**: 357° (north)
- **Return heading**: 6° (north)
- **Classification**: Long-haul
- **Type**: International (Bulgaria) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -11h (When it's 15:59 in Sofia, it's 04:59 in Summit)
- **Elevation difference**: 667 ft (UMM 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

### [Summit Airport (UMM)](https://www.flightduration.online/airport/umm-summit-summit-airport/1ef266df-8821-63e2-86cb-06bb2780ed98)

- City: Summit, United States
- ICAO: PAST
- Timezone: America/Anchorage
- Coordinates: 63.330000, -149.130000
- Elevation: 2,409 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 15:59 in Sofia, it's 04:59 in Summit.
With a 11-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)
- [Summit Airport (UMM)](https://www.flightduration.online/airport/umm-summit-summit-airport/1ef266df-8821-63e2-86cb-06bb2780ed98)
- [Flight duration calculator](/#calculator)