# Distance from Kailua/Kona (KOA) to Sofia (SOF)

> 13,076 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,076 km / 8,125 mi / 7,061 nm
- **Estimated flight time**: 16h
- **Heading**: 0° (north)
- **Return heading**: 359° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +13h (When it's 16:54 in Kailua/Kona, it's 05:54 in Sofia)
- **Elevation difference**: 1,693 ft (SOF is higher than KOA)

## Airports

### [Ellison Onizuka Kona International At Keahole Airport (KOA)](https://www.flightduration.online/airport/koa-kailuakona-ellison-onizuka-kona-international-at-keahole-airport/1ef266df-8939-6e28-8a9d-06bb2780ed98)

- City: Kailua/Kona, United States
- ICAO: PHKO
- Timezone: Pacific/Honolulu
- Coordinates: 19.700000, -156.000000
- Elevation: 49 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 16:54 in Kailua/Kona, it's 05:54 in Sofia.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Ellison Onizuka Kona International At Keahole Airport (KOA)](https://www.flightduration.online/airport/koa-kailuakona-ellison-onizuka-kona-international-at-keahole-airport/1ef266df-8939-6e28-8a9d-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)