# Distance from Harlingen (HRL) to Singapore (SIN)

> 16,167 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 16,167 km / 10,046 mi / 8,730 nm
- **Estimated flight time**: 20h
- **Heading**: 319° (northwest)
- **Return heading**: 36° (northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +13h (When it's 17:24 in Harlingen, it's 06:24 in Singapore)
- **Elevation difference**: 14 ft (SIN is lower than HRL)

## Airports

### [Valley International Airport (HRL)](https://flightduration.online/airport/hrl-harlingen-valley-international-airport/1ef266df-214f-6e16-852a-06bb2780ed98)

- City: Harlingen, United States
- ICAO: KHRL
- Timezone: America/Chicago
- Coordinates: 26.230000, -97.660000
- Elevation: 36 ft

### [Singapore Changi International Airport (SIN)](https://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 17:24 in Harlingen, it's 06:24 in Singapore.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Valley International Airport (HRL)](https://flightduration.online/airport/hrl-harlingen-valley-international-airport/1ef266df-214f-6e16-852a-06bb2780ed98)
- [Singapore Changi International Airport (SIN)](https://flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Flight duration calculator](/#calculator)