# Distance from Oslo (OSL) to Portsmouth (PMH)

> 6,542 km · estimated flight time 9h · Long-haul route.

## Summary

- **Distance**: 6,542 km / 4,065 mi / 3,533 nm
- **Estimated flight time**: 9h
- **Heading**: 295° (west northwest)
- **Return heading**: 35° (northeast)
- **Classification**: Long-haul
- **Type**: International (Norway) → United States
- **Intercontinental**: Europe → North America
- **Time difference**: -6h (When it's 21:23 in Oslo, it's 15:23 in Portsmouth)
- **Elevation difference**: 18 ft (PMH is lower than OSL)

## Airports

### [Oslo Gardermoen Airport (OSL)](https://www.flightduration.online/airport/osl-oslo-oslo-gardermoen-airport/1ef266de-c8e8-614c-8777-06bb2780ed98)

- City: Oslo, Norway
- ICAO: ENGM
- Timezone: Europe/Oslo
- Coordinates: 60.190000, 11.100000
- Elevation: 681 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 21:23 in Oslo, it's 15:23 in Portsmouth.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Oslo Gardermoen Airport (OSL)](https://www.flightduration.online/airport/osl-oslo-oslo-gardermoen-airport/1ef266de-c8e8-614c-8777-06bb2780ed98)
- [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)