Linear distance and scale from Lanzhou to Shanghai on the map of China.

The linear distance and scale from Lanzhou to Shanghai on different maps of China and China may be different.

As shown in the figure below:

On the map of China, the linear distance from Lanzhou to Shanghai is about10.5cm;

The ratio is1:20000000;

Or 1 cm on the map represents the site distance of 200 kilometers.