# Distance from Singapore (SIN) to Bristol/Johnson/Kingsport (TRI)

> 15,757 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,757 km / 9,791 mi / 8,508 nm
- **Estimated flight time**: 20h
- **Heading**: 8° (north)
- **Return heading**: 350° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Singapore) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -12h (When it's 18:05 in Singapore, it's 06:05 in Bristol/Johnson/Kingsport)
- **Elevation difference**: 1,497 ft (TRI is higher than SIN)

## Airports

### [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

### [Tri-Cities Airport (TRI)](https://www.flightduration.online/airport/tri-bristoljohnsonkingsport-tri-cities-airport/1ef266df-3c1b-6a24-b9e2-06bb2780ed98)

- City: Bristol/Johnson/Kingsport, United States
- ICAO: KTRI
- Timezone: America/New_York
- Coordinates: 36.480000, -82.410000
- Elevation: 1,519 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 18:05 in Singapore, it's 06:05 in Bristol/Johnson/Kingsport.
With a 12-hour time difference, expect significant jet lag.

## Related

- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Tri-Cities Airport (TRI)](https://www.flightduration.online/airport/tri-bristoljohnsonkingsport-tri-cities-airport/1ef266df-3c1b-6a24-b9e2-06bb2780ed98)
- [Flight duration calculator](/#calculator)