# Distance from Chicago (ORD) to Seronera (SEU)

> 12,841 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,841 km / 7,979 mi / 6,934 nm
- **Estimated flight time**: 16h
- **Heading**: 69° (east northeast)
- **Return heading**: 316° (northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Tanzania
- **Intercontinental**: North America → Africa
- **Time difference**: +8h (When it's 23:22 in Chicago, it's 07:22 in Seronera)
- **Elevation difference**: 4,400 ft (SEU is higher 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

### [Seronera Airport (SEU)](https://www.flightduration.online/airport/seu-seronera-seronera-airport/1ef266de-ef23-68b6-8fcf-06bb2780ed98)

- City: Seronera, Tanzania
- ICAO: HTSN
- Timezone: Africa/Dar_es_Salaam
- Coordinates: -2.460000, 34.820000
- Elevation: 5,080 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 23:22 in Chicago, it's 07:22 in Seronera.
With a 8-hour time difference, expect significant 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)
- [Seronera Airport (SEU)](https://www.flightduration.online/airport/seu-seronera-seronera-airport/1ef266de-ef23-68b6-8fcf-06bb2780ed98)
- [Flight duration calculator](/#calculator)