# Distance from Cayenne / Rochambeau (CAY) to Kathmandu (KTM)

> 14,217 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,217 km / 8,834 mi / 7,677 nm
- **Estimated flight time**: 18h
- **Heading**: 49° (northeast)
- **Return heading**: 302° (west northwest)
- **Classification**: Ultra-long-haul
- **Type**: International (GF) → Nepal
- **Intercontinental**: South America → Asia
- **Time difference**: +8.75h (When it's 14:33 in Cayenne / Rochambeau, it's 23:18 in Kathmandu)
- **Elevation difference**: 4,364 ft (KTM is higher than CAY)

## Airports

### [Cayenne-Rochambeau Airport (CAY)](https://www.flightduration.online/airport/cay-cayenne-rochambeau-cayenne-rochambeau-airport/1ef266df-c2f1-656c-b1b9-06bb2780ed98)

- City: Cayenne / Rochambeau, GF
- ICAO: SOCA
- Timezone: America/Cayenne
- Coordinates: 4.820000, -52.360000
- Elevation: 26 ft

### [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)

- City: Kathmandu, Nepal
- ICAO: VNKT
- Timezone: Asia/Kathmandu
- Coordinates: 27.700000, 85.360000
- Elevation: 4,390 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 14:33 in Cayenne / Rochambeau, it's 23:18 in Kathmandu.
With a 8.75-hour time difference, expect significant jet lag.

## Related

- [Cayenne-Rochambeau Airport (CAY)](https://www.flightduration.online/airport/cay-cayenne-rochambeau-cayenne-rochambeau-airport/1ef266df-c2f1-656c-b1b9-06bb2780ed98)
- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Flight duration calculator](/#calculator)