# Distance from Cape Town (CPT) to Gaithersburg (GAI)

> 12,751 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,751 km / 7,923 mi / 6,885 nm
- **Estimated flight time**: 16h
- **Heading**: 302° (west northwest)
- **Return heading**: 115° (east southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Africa) → United States
- **Intercontinental**: Africa → North America
- **Time difference**: -6h (When it's 10:07 in Cape Town, it's 04:07 in Gaithersburg)
- **Elevation difference**: 388 ft (GAI is higher than CPT)

## Airports

### [Cape Town International Airport (CPT)](https://www.flightduration.online/airport/cpt-cape-town-cape-town-international-airport/1ef266de-d135-6d22-8a64-06bb2780ed98)

- City: Cape Town, South Africa
- ICAO: FACT
- Timezone: Africa/Johannesburg
- Coordinates: -33.960000, 18.600000
- Elevation: 151 ft

### [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)

- City: Gaithersburg, United States
- ICAO: KGAI
- Timezone: America/New_York
- Coordinates: 39.170000, -77.170000
- Elevation: 539 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 10:07 in Cape Town, it's 04:07 in Gaithersburg.
With a 6-hour time difference, expect significant jet lag.

## Related

- [Cape Town International Airport (CPT)](https://www.flightduration.online/airport/cpt-cape-town-cape-town-international-airport/1ef266de-d135-6d22-8a64-06bb2780ed98)
- [Montgomery County Airpark (GAI)](https://www.flightduration.online/airport/gai-gaithersburg-montgomery-county-airpark/1ef266df-1d9e-6f2e-a3da-06bb2780ed98)
- [Flight duration calculator](/#calculator)