# Distance from Kathmandu (KTM) to Rio Grande (RIG)

> 15,917 km · estimated flight time 20h · Ultra-long-haul route.

## Summary

- **Distance**: 15,917 km / 9,890 mi / 8,595 nm
- **Estimated flight time**: 20h
- **Heading**: 253° (west southwest)
- **Return heading**: 85° (east)
- **Classification**: Ultra-long-haul
- **Type**: International (Nepal) → Brazil
- **Intercontinental**: Asia → South America
- **Time difference**: -8.75h (When it's 09:35 in Kathmandu, it's 00:50 in Rio Grande)
- **Elevation difference**: 4,363 ft (RIG is lower than KTM)

## Airports

### [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

### [Rio Grande Airport (RIG)](https://www.flightduration.online/airport/rig-rio-grande-rio-grande-airport/1ef266df-b169-60d8-a1ba-06bb2780ed98)

- City: Rio Grande, Brazil
- ICAO: SJRG
- Timezone: America/Sao_Paulo
- Coordinates: -32.080000, -52.160000
- Elevation: 27 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 09:35 in Kathmandu, it's 00:50 in Rio Grande.
With a 8.75-hour time difference, expect significant jet lag.

## Related

- [Tribhuvan International Airport (KTM)](https://www.flightduration.online/airport/ktm-kathmandu-tribhuvan-international-airport/1ef266df-f304-6ec0-afd1-06bb2780ed98)
- [Rio Grande Airport (RIG)](https://www.flightduration.online/airport/rig-rio-grande-rio-grande-airport/1ef266df-b169-60d8-a1ba-06bb2780ed98)
- [Flight duration calculator](/#calculator)