# Distance from Istanbul (IST) to Portsmouth (PMH)

> 8,736 km · estimated flight time 11h · Long-haul route.

## Summary

- **Distance**: 8,736 km / 5,428 mi / 4,717 nm
- **Estimated flight time**: 11h
- **Heading**: 312° (northwest)
- **Return heading**: 45° (northeast)
- **Classification**: Long-haul
- **Type**: International (Turkey) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -7h (When it's 13:29 in Istanbul, it's 06:29 in Portsmouth)
- **Elevation difference**: 338 ft (PMH is higher than IST)

## Airports

### [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)

- City: Istanbul, Turkey
- ICAO: LTFM
- Timezone: Europe/Istanbul
- Coordinates: 41.280000, 28.750000
- Elevation: 325 ft

### [Greater Portsmouth Regional Airport (PMH)](https://www.flightduration.online/airport/pmh-portsmouth-greater-portsmouth-regional-airport/1ef266df-3304-6558-b825-06bb2780ed98)

- City: Portsmouth, United States
- ICAO: KPMH
- Timezone: America/New_York
- Coordinates: 38.840000, -82.850000
- Elevation: 663 ft

## Route notes

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

Time-zone information: When it's 13:29 in Istanbul, it's 06:29 in Portsmouth.
With a 7-hour time difference, expect significant jet lag.

## Related

- [Istanbul Airport (IST)](https://www.flightduration.online/airport/ist-istanbul-istanbul-airport/1ef266df-5964-637e-b8a8-06bb2780ed98)
- [Greater Portsmouth Regional Airport (PMH)](https://www.flightduration.online/airport/pmh-portsmouth-greater-portsmouth-regional-airport/1ef266df-3304-6558-b825-06bb2780ed98)
- [Flight duration calculator](/#calculator)