# Distance from Washington (IAD) to Patna (PAT)

> 12,619 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,619 km / 7,841 mi / 6,814 nm
- **Estimated flight time**: 16h
- **Heading**: 17° (north northeast)
- **Return heading**: 345° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +9.5h (When it's 09:13 in Washington, it's 18:43 in Patna)
- **Elevation difference**: 142 ft (PAT is lower than IAD)

## Airports

### [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)

- City: Washington, United States
- ICAO: KIAD
- Timezone: America/New_York
- Coordinates: 38.900000, -77.500000
- Elevation: 312 ft

### [Lok Nayak Jayaprakash Airport (PAT)](https://www.flightduration.online/airport/pat-patna-lok-nayak-jayaprakash-airport/1ef266df-f0a6-6cb4-ab78-06bb2780ed98)

- City: Patna, India
- ICAO: VEPT
- Timezone: Asia/Kolkata
- Coordinates: 25.590000, 85.090000
- Elevation: 170 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 09:13 in Washington, it's 18:43 in Patna.
With a 9.5-hour time difference, expect significant jet lag.

## Related

- [Washington Dulles International Airport (IAD)](https://www.flightduration.online/airport/iad-washington-washington-dulles-international-airport/1ef266df-22cc-64e2-b8c0-06bb2780ed98)
- [Lok Nayak Jayaprakash Airport (PAT)](https://www.flightduration.online/airport/pat-patna-lok-nayak-jayaprakash-airport/1ef266df-f0a6-6cb4-ab78-06bb2780ed98)
- [Flight duration calculator](/#calculator)