# Distance from New Delhi (DEL) to Atwater (MER)

> 12,451 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,451 km / 7,737 mi / 6,723 nm
- **Estimated flight time**: 16h
- **Heading**: 15° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12.5h (When it's 11:13 in New Delhi, it's 22:43 in Atwater)
- **Elevation difference**: 587 ft (MER is lower than DEL)

## Airports

### [Indira Gandhi International Airport (DEL)](https://www.flightduration.online/airport/del-new-delhi-indira-gandhi-international-airport/1ef266df-f1ff-667e-9e80-06bb2780ed98)

- City: New Delhi, India
- ICAO: VIDP
- Timezone: Asia/Kolkata
- Coordinates: 28.570000, 77.100000
- Elevation: 777 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 11:13 in New Delhi, it's 22:43 in Atwater.
With a 12.5-hour time difference, expect significant jet lag.

## Related

- [Indira Gandhi International Airport (DEL)](https://www.flightduration.online/airport/del-new-delhi-indira-gandhi-international-airport/1ef266df-f1ff-667e-9e80-06bb2780ed98)
- [Castle Airport (MER)](https://www.flightduration.online/airport/mer-atwater-castle-airport/1ef266df-2a82-6f4c-b75d-06bb2780ed98)
- [Flight duration calculator](/#calculator)