# Distance from Portsmouth (PMH) to Singapore (SIN)

> 15,492 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,492 km / 9,626 mi / 8,365 nm
- **Estimated flight time**: 19h
- **Heading**: 349° (north)
- **Return heading**: 8° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 05:20 in Portsmouth, it's 17:20 in Singapore)
- **Elevation difference**: 641 ft (SIN is lower than PMH)

## Airports

### [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

### [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)

- City: Singapore, Singapore
- ICAO: WSSS
- Timezone: Asia/Singapore
- Coordinates: 1.350000, 103.990000
- Elevation: 22 ft

## Route notes

This is an ultra-long-haul route, one of the longest in aviation. It requires wide-body aircraft with extended range capability such as the Airbus A350-900ULR or Boeing 777-200LR. Passengers should prepare for an extended flight with multiple meal services.

Time-zone information: When it's 05:20 in Portsmouth, it's 17:20 in Singapore.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Greater Portsmouth Regional Airport (PMH)](https://www.flightduration.online/airport/pmh-portsmouth-greater-portsmouth-regional-airport/1ef266df-3304-6558-b825-06bb2780ed98)
- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Flight duration calculator](/#calculator)