# Distance from Honolulu (HNL) to Monrovia (ROB)

> 15,335 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,335 km / 9,529 mi / 8,280 nm
- **Estimated flight time**: 19h
- **Heading**: 53° (northeast)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Liberia
- **Intercontinental**: North America → Africa
- **Time difference**: +10h (When it's 19:37 in Honolulu, it's 05:37 in Monrovia)
- **Elevation difference**: 18 ft (ROB is higher than HNL)

## Airports

### [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)

- City: Honolulu, United States
- ICAO: PHNL
- Timezone: Pacific/Honolulu
- Coordinates: 21.320000, -157.920000
- Elevation: 13 ft

### [Roberts International Airport (ROB)](https://www.flightduration.online/airport/rob-monrovia-roberts-international-airport/1ef266de-e839-6636-9e37-06bb2780ed98)

- City: Monrovia, Liberia
- ICAO: GLRB
- Timezone: Africa/Monrovia
- Coordinates: 6.230000, -10.360000
- Elevation: 31 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 19:37 in Honolulu, it's 05:37 in Monrovia.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Daniel K Inouye International Airport (HNL)](https://www.flightduration.online/airport/hnl-honolulu-daniel-k-inouye-international-airport/1ef266df-8953-6d78-a54a-06bb2780ed98)
- [Roberts International Airport (ROB)](https://www.flightduration.online/airport/rob-monrovia-roberts-international-airport/1ef266de-e839-6636-9e37-06bb2780ed98)
- [Flight duration calculator](/#calculator)