It is impossible to estimate. The fuel consumption of a car is directly related to the speed, but it does not depend entirely on the speed. Every car has an optimal economic speed, and the fuel consumption per 100 kilometers of the car will be shown in the on-board instructions. The fuel consumption of a car is also related to its weight. If the load of the car cannot be provided, the fuel consumption cannot be estimated. Tengzhou to Gansu 1477 kilometers, the fuel consumption of ordinary cars is 8 liters per 100 kilometers. 1447 kilometers is115,7 liters.