# Distance from Charlotte (CLT) to Semnan (SNX)

> 10,836 km · estimated flight time 14h · Ultra-long-haul route.

## Summary

- **Distance**: 10,836 km / 6,733 mi / 5,851 nm
- **Estimated flight time**: 14h
- **Heading**: 36° (northeast)
- **Return heading**: 324° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Iran
- **Intercontinental**: North America → Asia
- **Time difference**: +7.5h (When it's 21:29 in Charlotte, it's 04:59 in Semnan)
- **Elevation difference**: 2,917 ft (SNX is higher than CLT)

## Airports

### [Charlotte/Douglas International Airport (CLT)](https://www.flightduration.online/airport/clt-charlotte-charlottedouglas-international-airport/1ef266df-1448-633a-a635-06bb2780ed98)

- City: Charlotte, United States
- ICAO: KCLT
- Timezone: America/New_York
- Coordinates: 35.210000, -80.950000
- Elevation: 748 ft

### [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)

- City: Semnan, Iran
- ICAO: OIIS
- Timezone: Asia/Tehran
- Coordinates: 35.590000, 53.500000
- Elevation: 3,665 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 21:29 in Charlotte, it's 04:59 in Semnan.
With a 7.5-hour time difference, expect significant jet lag.

## Related

- [Charlotte/Douglas International Airport (CLT)](https://www.flightduration.online/airport/clt-charlotte-charlottedouglas-international-airport/1ef266df-1448-633a-a635-06bb2780ed98)
- [Semnan Airport (SNX)](https://www.flightduration.online/airport/snx-semnan-semnan-airport/1ef266df-7db1-6b28-8f31-06bb2780ed98)
- [Flight duration calculator](/#calculator)