# Distance from Boston (BOS) to Tehran (THR)

> 9,547 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,547 km / 5,932 mi / 5,155 nm
- **Estimated flight time**: 12h
- **Heading**: 43° (northeast)
- **Return heading**: 321° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Iran
- **Intercontinental**: North America → Asia
- **Time difference**: +7.5h (When it's 11:13 in Boston, it's 18:43 in Tehran)
- **Elevation difference**: 3,943 ft (THR 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

### [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)

- City: Tehran, Iran
- ICAO: OIII
- Timezone: Asia/Tehran
- Coordinates: 35.690000, 51.310000
- Elevation: 3,962 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 11:13 in Boston, it's 18:43 in Tehran.
With a 7.5-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)
- [Mehrabad International Airport (THR)](https://www.flightduration.online/airport/thr-tehran-mehrabad-international-airport/1ef266df-7d9a-64b4-a7a7-06bb2780ed98)
- [Flight duration calculator](/#calculator)