less than 18 inches
Another View: THe answer depends entirely on what state, or even municipality, you are asking about. Some jurisdictions require you to be closer than 18 inches.
2 ft.
Apparently it's 18 inches in most places.
7 inches from curb
18 inches
12 inches in WI
From the rear, front, and left side. If approaching a vehicle from the right side while parallel parked it means you've parked illegaly facing on coming traffic.
Apparently it's 18 inches in most places.
No more then 18 inches from the curb (in California)Added: It totally depends on the regulations of your individual jurisdiction. In many states it is no more than 12 inches from the curb.
18 inches
I think that would depend on the county and country in question. In the UK, "next to is next to" and you get a ticket.
From the Calfornia DMV web page on parking: When you park alongside a curb on a level street, the front and back wheels must be parallel and within 18 inches of the curb. Park parallel to the street if there is no curb.
12 or less inches
from what i remember of my driving lessons the car should be no further than 18 inches away from the curb when parked. any further and i was asked to call a taxi to reach the pavement!