# Distance from Altamira (ATM) to Singapore (SIN)

> 17,367 km · estimated flight time 21h · Ultra-long-haul route.

## Summary

- **Distance**: 17,367 km / 10,791 mi / 9,377 nm
- **Estimated flight time**: 21h
- **Heading**: 94° (east)
- **Return heading**: 265° (west)
- **Classification**: Ultra-long-haul
- **Type**: International (Brazil) → Singapore
- **Intercontinental**: South America → Asia
- **Time difference**: +11h (When it's 06:08 in Altamira, it's 17:08 in Singapore)
- **Elevation difference**: 347 ft (SIN is lower than ATM)

## Airports

### [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)

- City: Altamira, Brazil
- ICAO: SBHT
- Timezone: America/Santarem
- Coordinates: -3.250000, -52.250000
- Elevation: 369 ft

### [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)

- City: Singapore, Singapore
- ICAO: WSSS
- Timezone: Asia/Singapore
- Coordinates: 1.350000, 103.990000
- Elevation: 22 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 06:08 in Altamira, it's 17:08 in Singapore.
With a 11-hour time difference, expect significant jet lag.

## Related

- [Altamira Airport (ATM)](https://www.flightduration.online/airport/atm-altamira-altamira-airport/1ef266df-94a8-619c-aa24-06bb2780ed98)
- [Singapore Changi International Airport (SIN)](https://www.flightduration.online/airport/sin-singapore-singapore-changi-international-airport/1ef266e0-00ca-656e-b481-06bb2780ed98)
- [Flight duration calculator](/#calculator)