# Distance from Chiang Rai (CEI) to San Jose (SJO)

> 16,656 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,656 km / 10,350 mi / 8,993 nm
- **Estimated flight time**: 21h
- **Heading**: 8° (north)
- **Return heading**: 352° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (Thailand) → Costa Rica
- **Intercontinental**: Asia → North America
- **Time difference**: -13h (When it's 12:05 in Chiang Rai, it's 23:05 in San Jose)
- **Elevation difference**: 1,741 ft (SJO is higher than CEI)

## Airports

### [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)

- City: Chiang Rai, Thailand
- ICAO: VTCT
- Timezone: Asia/Bangkok
- Coordinates: 19.950000, 99.880000
- Elevation: 1,280 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 12:05 in Chiang Rai, it's 23:05 in San Jose.
With a 13-hour time difference, expect significant jet lag.

## Related

- [Chiang Rai International Airport (CEI)](https://www.flightduration.online/airport/cei-chiang-rai-chiang-rai-international-airport/1ef266df-f548-6b50-a273-06bb2780ed98)
- [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)