# Distance from Wahiawa (HHI) to Singapore (SIN)

> 10,776 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,776 km / 6,696 mi / 5,819 nm
- **Estimated flight time**: 14h
- **Heading**: 274° (west)
- **Return heading**: 68° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +18h (When it's 07:38 in Wahiawa, it's 01:38 in Singapore)
- **Elevation difference**: 821 ft (SIN is lower than HHI)

## Airports

### [Wheeler Army Air Field (HHI)](https://www.flightduration.online/airport/hhi-wahiawa-wheeler-army-air-field/1ef266df-8928-6ff6-b5a5-06bb2780ed98)

- City: Wahiawa, United States
- ICAO: PHHI
- Timezone: Pacific/Honolulu
- Coordinates: 21.480000, -158.040000
- Elevation: 843 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 07:38 in Wahiawa, it's 01:38 in Singapore.
With a 18-hour time difference, expect significant jet lag.

## Related

- [Wheeler Army Air Field (HHI)](https://www.flightduration.online/airport/hhi-wahiawa-wheeler-army-air-field/1ef266df-8928-6ff6-b5a5-06bb2780ed98)
- [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)