# Distance from Cape Town (CPT) to St. Mary's (ISC)

> 9,643 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,643 km / 5,992 mi / 5,207 nm
- **Estimated flight time**: 12h
- **Heading**: 344° (north northwest)
- **Return heading**: 160° (south southeast)
- **Classification**: Ultra-long-haul
- **Type**: International (South Africa) → United Kingdom
- **Intercontinental**: Africa → Europe
- **Time difference**: -1h (When it's 20:31 in Cape Town, it's 19:31 in St. Mary's)
- **Elevation difference**: 35 ft (ISC is lower 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

### [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)

- City: St. Mary's, United Kingdom
- ICAO: EGHE
- Timezone: Europe/London
- Coordinates: 49.910000, -6.290000
- Elevation: 116 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 20:31 in Cape Town, it's 19:31 in St. Mary's.

## Related

- [Cape Town International Airport (CPT)](https://www.flightduration.online/airport/cpt-cape-town-cape-town-international-airport/1ef266de-d135-6d22-8a64-06bb2780ed98)
- [St. Mary's Airport (ISC)](https://www.flightduration.online/airport/isc-st-marys-st-marys-airport/1ef266de-c3dc-66c6-857e-06bb2780ed98)
- [Flight duration calculator](/#calculator)