# Distance from Hilo (ITO) to Sofia (SOF)

> 13,073 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 13,073 km / 8,123 mi / 7,059 nm
- **Estimated flight time**: 16h
- **Heading**: 1° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Bulgaria
- **Intercontinental**: North America → Europe
- **Time difference**: +13h (When it's 18:38 in Hilo, it's 07:38 in Sofia)
- **Elevation difference**: 1,704 ft (SOF is higher than ITO)

## Airports

### [Hilo International Airport (ITO)](https://www.flightduration.online/airport/ito-hilo-hilo-international-airport/1ef266df-8968-60a2-952a-06bb2780ed98)

- City: Hilo, United States
- ICAO: PHTO
- Timezone: Pacific/Honolulu
- Coordinates: 19.720000, -155.050000
- Elevation: 38 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 18:38 in Hilo, it's 07:38 in Sofia.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Hilo International Airport (ITO)](https://www.flightduration.online/airport/ito-hilo-hilo-international-airport/1ef266df-8968-60a2-952a-06bb2780ed98)
- [Sofia Airport (SOF)](https://www.flightduration.online/airport/sof-sofia-sofia-airport/1ef266df-436b-611c-bff1-06bb2780ed98)
- [Flight duration calculator](/#calculator)