# Distance from Portland (PDX) to Portsmouth (PSM)

> 4,056 km · estimated flight time 6h · Long-haul route.

## Summary

- **Distance**: 4,056 km / 2,520 mi / 2,190 nm
- **Estimated flight time**: 6h
- **Heading**: 75° (east northeast)
- **Return heading**: 292° (west northwest)
- **Classification**: Long-haul
- **Type**: Domestic (United States)
- **Time difference**: +3h (When it's 23:55 in Portland, it's 02:55 in Portsmouth)
- **Elevation difference**: 70 ft (PSM is higher than PDX)

## Airports

### [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)

- City: Portland, United States
- ICAO: KPDX
- Timezone: America/Los_Angeles
- Coordinates: 45.590000, -122.600000
- Elevation: 31 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 23:55 in Portland, it's 02:55 in Portsmouth.
The 3-hour time difference may cause some jet lag.

## Related

- [Portland International Airport (PDX)](https://www.flightduration.online/airport/pdx-portland-portland-international-airport/1ef266df-3254-60d6-87f6-06bb2780ed98)
- [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)