Distance From St Louis Downtown Airport to Nanchang Changbei International Airport, CPS - KHN Distance

The distance from St Louis Downtown Airport (CPS) to Nanchang Changbei International Airport (KHN) is 7483 miles or 12043 kilometers or 6499 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Cahokia/St Louis ( United States ) to Nanchang ( China )?

A one-way nonstop (direct) flight between Cahokia/St Louis and Nanchang takes around 17 hours 12 minutes.

Estimated flight time from St Louis Downtown Airport, Cahokia/St Louis, United States to Nanchang Changbei International Airport, Nanchang, China is 17 hours 12 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CPS - KHN

Kilometers		12043 km
Statute Miles		7483 miles
Nautical Miles		6499 nm
Avg. Time of Flight		17 hours 12 minutes

St Louis Downtown Airport to Nanchang Changbei International Airport Flight Route Map - CPS to KHN Flight Path

Location of St Louis Downtown Airport & Nanchang Changbei International Airport is given below.
Click the map to view Cahokia/St Louis to Nanchang nonstop flight path and travel direction.

Click to see flight route on Google Map between Cahokia/St Louis, United States and Nanchang, China. .

Nonstop flight route between Cahokia/St Louis, United States and Nanchang, China.

Time Difference Between the Airports • CPS - KHN

Time difference between Cahokia/St Louis (United States) and Nanchang (China) is 12 Hours.
Nanchang time is 12 Hours ahead of Cahokia/St Louis.

Location	Local Time
Cahokia/St Louis (United States)	2026-05-05, 00:41:59 EDT
Nanchang (China)	2026-05-05, 12:41:59 CST

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

St Louis Downtown Airport (CPS / KCPS) Cahokia/St Louis, United States

Destination

Nanchang Changbei International Airport (KHN / ZSCN) Nanchang, China