# Distance from Denis Island (DEI) to San Jose (SJO)

> 15,537 km · estimated flight time 19h · Ultra-long-haul route.

## Summary

- **Distance**: 15,537 km / 9,654 mi / 8,389 nm
- **Estimated flight time**: 19h
- **Heading**: 281° (west)
- **Return heading**: 84° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Seychelles) → Costa Rica
- **Intercontinental**: Africa → North America
- **Time difference**: -10h (When it's 17:42 in Denis Island, it's 07:42 in San Jose)
- **Elevation difference**: 3,011 ft (SJO is higher than DEI)

## Airports

### [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)

- City: Denis Island, Seychelles
- ICAO: FSSD
- Timezone: Indian/Mahe
- Coordinates: -3.800000, 55.670000
- Elevation: 10 ft

### [Juan Santamaria International Airport (SJO)](https://www.flightduration.online/airport/sjo-san-jose-juan-santamaria-international-airport/1ef266df-6643-69f0-a227-06bb2780ed98)

- City: San Jose, Costa Rica
- ICAO: MROC
- Timezone: America/Costa_Rica
- Coordinates: 9.990000, -84.210000
- Elevation: 3,021 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 17:42 in Denis Island, it's 07:42 in San Jose.
With a 10-hour time difference, expect significant jet lag.

## Related

- [Denis Island Airport (DEI)](https://www.flightduration.online/airport/dei-denis-island-denis-island-airport/1ef266de-de1d-6a3a-8565-06bb2780ed98)
- [Juan Santamaria International Airport (SJO)](https://www.flightduration.online/airport/sjo-san-jose-juan-santamaria-international-airport/1ef266df-6643-69f0-a227-06bb2780ed98)
- [Flight duration calculator](/#calculator)