# Distance from Chicago (ORD) to Simara (SIF)

> 12,292 km · estimated flight time 15h · Ultra-long-haul route.

## Summary

- **Distance**: 12,292 km / 7,638 mi / 6,637 nm
- **Estimated flight time**: 15h
- **Heading**: 7° (north)
- **Return heading**: 354° (north)
- **Classification**: Ultra-long-haul
- **Type**: International (United States) → Nepal
- **Intercontinental**: North America → Asia
- **Time difference**: +10.75h (When it's 01:53 in Chicago, it's 12:38 in Simara)
- **Elevation difference**: 230 ft (SIF 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

### [Simara Airport (SIF)](https://www.flightduration.online/airport/sif-simara-simara-airport/1ef266df-f342-6950-adfb-06bb2780ed98)

- City: Simara, Nepal
- ICAO: VNSI
- Timezone: Asia/Kathmandu
- Coordinates: 27.160000, 84.980000
- Elevation: 450 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 01:53 in Chicago, it's 12:38 in Simara.
With a 10.75-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)
- [Simara Airport (SIF)](https://www.flightduration.online/airport/sif-simara-simara-airport/1ef266df-f342-6950-adfb-06bb2780ed98)
- [Flight duration calculator](/#calculator)