# Distance from Chennai (MAA) to St Louis (STL)

> 14,178 km · estimated flight time 18h · Ultra-long-haul route.

## Summary

- **Distance**: 14,178 km / 8,810 mi / 7,656 nm
- **Estimated flight time**: 18h
- **Heading**: 351° (north)
- **Return heading**: 12° (north northeast)
- **Classification**: Ultra-long-haul
- **Type**: International (India) → United States
- **Intercontinental**: Asia → North America
- **Time difference**: -10.5h (When it's 06:35 in Chennai, it's 20:05 in St Louis)
- **Elevation difference**: 565 ft (STL is higher than MAA)

## Airports

### [Chennai International Airport (MAA)](https://www.flightduration.online/airport/maa-chennai-chennai-international-airport/1ef266df-f3e7-672a-9425-06bb2780ed98)

- City: Chennai, India
- ICAO: VOMM
- Timezone: Asia/Kolkata
- Coordinates: 12.990000, 80.170000
- Elevation: 52 ft

### [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)

- City: St Louis, United States
- ICAO: KSTL
- Timezone: America/Chicago
- Coordinates: 38.750000, -90.370000
- Elevation: 617 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 06:35 in Chennai, it's 20:05 in St Louis.
With a 10.5-hour time difference, expect significant jet lag.

## Related

- [Chennai International Airport (MAA)](https://www.flightduration.online/airport/maa-chennai-chennai-international-airport/1ef266df-f3e7-672a-9425-06bb2780ed98)
- [St Louis Lambert International Airport (STL)](https://www.flightduration.online/airport/stl-st-louis-st-louis-lambert-international-airport/1ef266df-39ab-67da-9abe-06bb2780ed98)
- [Flight duration calculator](/#calculator)