# Distance from Kolkata (CCU) to Rifle (RIL)

> 12,900 km · estimated flight time 16h · Ultra-long-haul route.

## Summary

- **Distance**: 12,900 km / 8,015 mi / 6,965 nm
- **Estimated flight time**: 16h
- **Heading**: 14° (north northeast)
- **Return heading**: 343° (north northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -11.5h (When it's 20:40 in Kolkata, it's 09:10 in Rifle)
- **Elevation difference**: 5,521 ft (RIL is higher than CCU)

## Airports

### [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)

- City: Kolkata, India
- ICAO: VECC
- Timezone: Asia/Kolkata
- Coordinates: 22.650000, 88.450000
- Elevation: 16 ft

### [Rifle Garfield County Airport (RIL)](https://www.flightduration.online/airport/ril-rifle-rifle-garfield-county-airport/1ef266df-3527-645c-9fd6-06bb2780ed98)

- City: Rifle, United States
- ICAO: KRIL
- Timezone: America/Denver
- Coordinates: 39.530000, -107.730000
- Elevation: 5,537 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 20:40 in Kolkata, it's 09:10 in Rifle.
With a 11.5-hour time difference, expect significant jet lag.

## Related

- [Netaji Subhash Chandra Bose International Airport (CCU)](https://www.flightduration.online/airport/ccu-kolkata-netaji-subhash-chandra-bose-international-airport/1ef266df-f023-6fe4-a8d5-06bb2780ed98)
- [Rifle Garfield County Airport (RIL)](https://www.flightduration.online/airport/ril-rifle-rifle-garfield-county-airport/1ef266df-3527-645c-9fd6-06bb2780ed98)
- [Flight duration calculator](/#calculator)