# Distance from Kigali (KGL) to Atwater (MER)

> 15,069 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,069 km / 9,364 mi / 8,137 nm
- **Estimated flight time**: 19h
- **Heading**: 326° (north northwest)
- **Return heading**: 44° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Rwanda) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -9h (When it's 07:12 in Kigali, it's 22:12 in Atwater)
- **Elevation difference**: 4,669 ft (MER is lower than KGL)

## Airports

### [Kigali International Airport (KGL)](https://www.flightduration.online/airport/kgl-kigali-kigali-international-airport/1ef266de-ed97-6010-83f9-06bb2780ed98)

- City: Kigali, Rwanda
- ICAO: HRYR
- Timezone: Africa/Kigali
- Coordinates: -1.970000, 30.140000
- Elevation: 4,859 ft

### [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)

- City: Atwater, United States
- ICAO: KMER
- Timezone: America/Los_Angeles
- Coordinates: 37.400000, -120.600000
- Elevation: 190 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 07:12 in Kigali, it's 22:12 in Atwater.
With a 9-hour time difference, expect significant jet lag.

## Related

- [Kigali International Airport (KGL)](https://www.flightduration.online/airport/kgl-kigali-kigali-international-airport/1ef266de-ed97-6010-83f9-06bb2780ed98)
- [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)
- [Flight duration calculator](/#calculator)