It is safe to use your bright headlights if there is a car ahead of you within 300 feet.
No
according to Florida handsbook, you must dim your bright headlights within 300 feet of the vehicle ahead.
Bright (high beam) headlights
No, you will dazzle the oncoming driver.
500 feet if the vehicle is coming to you, 300 feet if you are following it.
use low beam lights within 300ft of on coming vehicles
It is illegal to drive a car with faulty headlight (of any description).
It is illegal to drive a car with faulty headlight (of any description).
at least 2m
500 to 1000 ft.
High beam headlights can illuminate anywhere from 30 meters to 150 meters ahead of the car. This is 98 feet to 492 feet away.
Here in California, by law it's 500 feet (a football field-and-a-half), but be kind and dim your bright lights well before that.