# Distance from Kolkata (CCU) to San Ramon / Mamore (SRD)

> 16,985 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 16,985 km / 10,554 mi / 9,171 nm
- **Estimated flight time**: 21h
- **Heading**: 286° (west northwest)
- **Return heading**: 66° (east northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → Bolivia
- **Intercontinental**: Asia → South America
- **Time difference**: -9.5h (When it's 11:47 in Kolkata, it's 02:17 in San Ramon / Mamore)
- **Elevation difference**: 682 ft (SRD 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

### [San Ramon Airport (SRD)](https://www.flightduration.online/airport/srd-san-ramon-mamore-san-ramon-airport/1ef266df-b844-6786-a16a-06bb2780ed98)

- City: San Ramon / Mamore, Bolivia
- ICAO: SLRA
- Timezone: America/La_Paz
- Coordinates: -13.260000, -64.600000
- Elevation: 698 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 11:47 in Kolkata, it's 02:17 in San Ramon / Mamore.
With a 9.5-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)
- [San Ramon Airport (SRD)](https://www.flightduration.online/airport/srd-san-ramon-mamore-san-ramon-airport/1ef266df-b844-6786-a16a-06bb2780ed98)
- [Flight duration calculator](/#calculator)