# Distance from Denver (DEN) to Patna (PAT)

> 12,667 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,667 km / 7,871 mi / 6,840 nm
- **Estimated flight time**: 16h
- **Heading**: 350° (north)
- **Return heading**: 8° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → India
- **Intercontinental**: North America → Asia
- **Time difference**: +11.5h (When it's 14:31 in Denver, it's 02:01 in Patna)
- **Elevation difference**: 5,264 ft (PAT is lower than DEN)

## Airports

### [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)

- City: Denver, United States
- ICAO: KDEN
- Timezone: America/Denver
- Coordinates: 39.860000, -104.670000
- Elevation: 5,434 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 14:31 in Denver, it's 02:01 in Patna.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Denver International Airport (DEN)](https://www.flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-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)