# Distance from Boston (BOS) to Rayong (UTP)

> 13,841 km · estimated flight time 17h · Ultra-long-haul route.

## Summary

- **Distance**: 13,841 km / 8,600 mi / 7,473 nm
- **Estimated flight time**: 17h
- **Heading**: 9° (north)
- **Return heading**: 353° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Thailand
- **Intercontinental**: North America → Asia
- **Time difference**: +11h (When it's 08:19 in Boston, it's 19:19 in Rayong)
- **Elevation difference**: 23 ft (UTP is higher than BOS)

## Airports

### [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)

- City: Boston, United States
- ICAO: KBOS
- Timezone: America/New_York
- Coordinates: 42.360000, -71.010000
- Elevation: 19 ft

### [U-Tapao International Airport (UTP)](https://www.flightduration.online/airport/utp-rayong-u-tapao-international-airport/1ef266df-f519-6d1e-9a6a-06bb2780ed98)

- City: Rayong, Thailand
- ICAO: VTBU
- Timezone: Asia/Bangkok
- Coordinates: 12.680000, 101.000000
- Elevation: 42 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 08:19 in Boston, it's 19:19 in Rayong.
With a 11-hour time difference, expect significant jet lag.

## Related

- [General Edward Lawrence Logan International Airport (BOS)](https://www.flightduration.online/airport/bos-boston-general-edward-lawrence-logan-international-airport/1ef266df-112a-6798-90da-06bb2780ed98)
- [U-Tapao International Airport (UTP)](https://www.flightduration.online/airport/utp-rayong-u-tapao-international-airport/1ef266df-f519-6d1e-9a6a-06bb2780ed98)
- [Flight duration calculator](/#calculator)