# Distance from Chitose / Tomakomai (CTS) to St. Mary's (ISC)

> 9,249 km · estimated flight time 12h · Ultra-long-haul route.

## Summary

- **Distance**: 9,249 km / 5,747 mi / 4,994 nm
- **Estimated flight time**: 12h
- **Heading**: 340° (north northwest)
- **Return heading**: 23° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (Japan) → United Kingdom
- **Intercontinental**: Asia → Europe
- **Time difference**: -8h (When it's 13:04 in Chitose / Tomakomai, it's 05:04 in St. Mary's)
- **Elevation difference**: 34 ft (ISC is higher than CTS)

## Airports

### [New Chitose Airport (CTS)](https://www.flightduration.online/airport/cts-chitose-tomakomai-new-chitose-airport/1ef266df-8b65-6cba-bb84-06bb2780ed98)

- City: Chitose / Tomakomai, Japan
- ICAO: RJCC
- Timezone: Asia/Tokyo
- Coordinates: 42.780000, 141.690000
- Elevation: 82 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 13:04 in Chitose / Tomakomai, it's 05:04 in St. Mary's.
With a 8-hour time difference, expect significant jet lag.

## Related

- [New Chitose Airport (CTS)](https://www.flightduration.online/airport/cts-chitose-tomakomai-new-chitose-airport/1ef266df-8b65-6cba-bb84-06bb2780ed98)
- [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)