It probably varies by local ordnance from jurisdiction to jurisdiction. In the city where I began my career as a beat cop it was 20 feet either side of the hydrant.
10 feet
In New Hampshire, you must park at least 10 feet away from a fire hydrant. This regulation is in place to ensure that firefighters have enough access to the hydrant in case of an emergency. Always check for local signs or regulations, as they may vary by municipality.
In Georgia, you must park at least 15 feet away from a fire hydrant. This distance is established to ensure that firefighters have easy access to the hydrant in case of an emergency. Violating this rule can result in fines or your vehicle being towed. Always check local regulations, as they can vary by city or municipality.
15 feet
Although municipalities, each have their own restrictions, the normal law is fifteen feet.
15
10 feet?
15
Standard distance for parking from hydrant is 2 car lengths. Page 67 of the Maryland Drivers Handbook states you must be 15 feet from a fire hydrant, that is about 1 car length.
Better to park your car 20 feet away from the Fire Hydrant System because it is an emergency system. Anytime we need to keep it ready for use.Added: Once again, as it is with most traffic regulations, it depends on what jurisdiction you live in. Some locales specify a distance of 25 feet from a fire hydrant.As a general rule it is best to assume that you should leave at least one car's length of distance on either side of the fire hydrant to be safe.
In Maui, Hawaii, as in many places, you must park at least 15 feet away from a fire hydrant. This distance is enforced to ensure that firefighters have access to the hydrant in case of an emergency. Violation of this parking rule can result in fines or your vehicle being towed. Always check local signage for any specific regulations.
15 feet