# Distance from Houston (IAH) to Monrovia (ROB)

> 9,180 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,180 km / 5,704 mi / 4,957 nm
- **Estimated flight time**: 12h
- **Heading**: 87° (east)
- **Return heading**: 300° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Liberia
- **Intercontinental**: North America → Africa
- **Time difference**: +5h (When it's 23:05 in Houston, it's 04:05 in Monrovia)
- **Elevation difference**: 65 ft (ROB is lower than IAH)

## Airports

### [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)

- City: Houston, United States
- ICAO: KIAH
- Timezone: America/Chicago
- Coordinates: 29.980000, -95.340000
- Elevation: 96 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 23:05 in Houston, it's 04:05 in Monrovia.
The 5-hour time difference may cause some jet lag.

## Related

- [George Bush Intcntl/Houston Airport (IAH)](https://www.flightduration.online/airport/iah-houston-george-bush-intcntlhouston-airport/1ef266df-22d4-6822-bae6-06bb2780ed98)
- [Roberts International Airport (ROB)](https://www.flightduration.online/airport/rob-monrovia-roberts-international-airport/1ef266de-e839-6636-9e37-06bb2780ed98)
- [Flight duration calculator](/#calculator)