# Distance from Lisbon (LIS) to Atwater (MER)

> 9,023 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,023 km / 5,607 mi / 4,872 nm
- **Estimated flight time**: 12h
- **Heading**: 312° (northwest)
- **Return heading**: 47° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Portugal) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -8h (When it's 09:41 in Lisbon, it's 01:41 in Atwater)
- **Elevation difference**: 184 ft (MER is lower than LIS)

## Airports

### [Lisbon Portela Airport (LIS)](https://www.flightduration.online/airport/lis-lisbon-lisbon-portela-airport/1ef266df-55e9-66ae-ae16-06bb2780ed98)

- City: Lisbon, Portugal
- ICAO: LPPT
- Timezone: Europe/Lisbon
- Coordinates: 38.780000, -9.140000
- Elevation: 374 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 09:41 in Lisbon, it's 01:41 in Atwater.
With a 8-hour time difference, expect significant jet lag.

## Related

- [Lisbon Portela Airport (LIS)](https://www.flightduration.online/airport/lis-lisbon-lisbon-portela-airport/1ef266df-55e9-66ae-ae16-06bb2780ed98)
- [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)
- [Flight duration calculator](/#calculator)