# Distance from Cancun (CUN) to Portsmouth (PSM)

> 2,869 km · estimated flight time 4h · Medium-haul route.

## Summary

- **Distance**: 2,869 km / 1,783 mi / 1,549 nm
- **Estimated flight time**: 4h
- **Heading**: 28° (north northeast)
- **Return heading**: 216° (southwest)
- **Classification**: Medium-haul
- **Type**: International (Mexico) → United States
- **Time difference**: +1h (When it's 05:48 in Cancun, it's 06:48 in Portsmouth)
- **Elevation difference**: 78 ft (PSM is higher than CUN)

## Airports

### [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-06bb2780ed98)

- City: Cancun, Mexico
- ICAO: MMUN
- Timezone: America/Cancun
- Coordinates: 21.040000, -86.880000
- Elevation: 22 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 medium-haul route that may be operated by either narrow-body or wide-body aircraft depending on demand. Passengers can expect a meal service on most carriers.

Time-zone information: When it's 05:48 in Cancun, it's 06:48 in Portsmouth.

## Related

- [Cancun International Airport (CUN)](https://www.flightduration.online/airport/cun-cancun-cancun-international-airport/1ef266df-6268-6862-9a5d-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)