# Distance from Denver (DEN) to Islamabad (ISB)

> 11,848 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 11,848 km / 7,362 mi / 6,398 nm
- **Estimated flight time**: 15h
- **Heading**: 2° (north)
- **Return heading**: 358° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Pakistan
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 04:49 in Denver, it's 15:49 in Islamabad)
- **Elevation difference**: 3,673 ft (ISB is lower than DEN)

## Airports

### [Denver International Airport (DEN)](https://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

### [Islamabad International Airport (ISB)](https://flightduration.online/airport/isb-islamabad-islamabad-international-airport/1ef266df-81d8-6e7c-adc5-06bb2780ed98)

- City: Islamabad, Pakistan
- ICAO: OPIS
- Timezone: Asia/Karachi
- Coordinates: 33.550000, 72.830000
- Elevation: 1,761 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 04:49 in Denver, it's 15:49 in Islamabad.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Denver International Airport (DEN)](https://flightduration.online/airport/den-denver-denver-international-airport/1ef266df-1706-67b6-bf3a-06bb2780ed98)
- [Islamabad International Airport (ISB)](https://flightduration.online/airport/isb-islamabad-islamabad-international-airport/1ef266df-81d8-6e7c-adc5-06bb2780ed98)
- [Flight duration calculator](/#calculator)