# Distance from Chicago (ORD) to Sao Tome (TMS)

> 10,361 km · estimated flight time 13h · Ultra-long-haul route.

## Summary

- **Distance**: 10,361 km / 6,438 mi / 5,594 nm
- **Estimated flight time**: 13h
- **Heading**: 87° (east)
- **Return heading**: 312° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → São Tomé and Príncipe
- **Intercontinental**: North America → Africa
- **Time difference**: +5h (When it's 20:11 in Chicago, it's 01:11 in Sao Tome)
- **Elevation difference**: 647 ft (TMS is lower than ORD)

## Airports

### [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)

- City: Chicago, United States
- ICAO: KORD
- Timezone: America/Chicago
- Coordinates: 41.980000, -87.910000
- Elevation: 680 ft

### [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-06bb2780ed98)

- City: Sao Tome, São Tomé and Príncipe
- ICAO: FPST
- Timezone: Africa/Sao_Tome
- Coordinates: 0.380000, 6.710000
- Elevation: 33 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 20:11 in Chicago, it's 01:11 in Sao Tome.
The 5-hour time difference may cause some jet lag.

## Related

- [Chicago O'Hare International Airport (ORD)](https://www.flightduration.online/airport/ord-chicago-chicago-ohare-international-airport/1ef266df-3115-6742-b012-06bb2780ed98)
- [Sao Tome International Airport (TMS)](https://www.flightduration.online/airport/tms-sao-tome-sao-tome-international-airport/1ef266de-dd85-69c4-ae5d-06bb2780ed98)
- [Flight duration calculator](/#calculator)