When approaching another vehicle from the rear at night

c. 300 feet of the other vehicle.

Explanation:

Driving at night need extra precaution because the use of lights becomes more sensitive. It affects our peripheral vision and color recognization. Moreover, the driver of a vehicle approaching from the front could be blind for the moment if lights come starlight to him, therefore it advised to keep beam low. The same can be applied to the driver of a vehicle one is approaching from rear and it is recommended that a high beam should be shifted to low beam at a distance of 300 feet from the other vehicle.