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

> 7,666 km · estimated flight time 10h · Long-haul route.

## Summary

- **Distance**: 7,666 km / 4,763 mi / 4,139 nm
- **Estimated flight time**: 10h
- **Heading**: 309° (northwest)
- **Return heading**: 53° (northeast)
- **Classification**: Long-haul
- **Type**: International (Turkey) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -7h (When it's 12:05 in Istanbul, it's 05:05 in Portsmouth)
- **Elevation difference**: 225 ft (PSM is lower 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

### [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)

- City: Portsmouth, United States
- ICAO: KPSM
- Timezone: America/New_York
- Coordinates: 43.080000, -70.820000
- Elevation: 100 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 12:05 in Istanbul, it's 05:05 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)
- [Portsmouth International At Pease Airport (PSM)](https://www.flightduration.online/airport/psm-portsmouth-portsmouth-international-at-pease-airport/1ef266df-33b1-6488-97e8-06bb2780ed98)
- [Flight duration calculator](/#calculator)