Solve the given problem:
Charolette travelled by plane flying at an average speed of 18 \(km\)\(/\)\(h\). The train started at 10 \(:\) 21 \(h\) and reached the destination at 18 \(:\) 50 \(h\). How far did Charolette travel?
Distance \(=\) \(km\)
Important!
Note: Enter your answer with 2 decimal digits.