# Distance from Sebring (SEF) to Singapore (SIN)

> 16,761 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,761 km / 10,415 mi / 9,050 nm
- **Estimated flight time**: 21h
- **Heading**: 349° (north)
- **Return heading**: 10° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Singapore
- **Intercontinental**: North America → Asia
- **Time difference**: +12h (When it's 01:36 in Sebring, it's 13:36 in Singapore)
- **Elevation difference**: 40 ft (SIN is lower than SEF)

## Airports

### [Sebring Regional Airport (SEF)](https://www.flightduration.online/airport/sef-sebring-sebring-regional-airport/1ef266df-37f3-6ce4-8b8a-06bb2780ed98)

- City: Sebring, United States
- ICAO: KSEF
- Timezone: America/New_York
- Coordinates: 27.460000, -81.340000
- Elevation: 62 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 01:36 in Sebring, it's 13:36 in Singapore.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Sebring Regional Airport (SEF)](https://www.flightduration.online/airport/sef-sebring-sebring-regional-airport/1ef266df-37f3-6ce4-8b8a-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)