In the U.S. the law varies from state to state, in Oregon you must park no further than 12 inches from the curb. Some states allow as much as 18 inches.
Ideally for safety, I tell drive students to be about 6 inches from the curb, there is less chance a passing vehicle will hit your car.
You need to be at least 10 meters away from the target.
twice the normal space
Parallel lines in Euclidean space are always coplanar.
not assume they will make space for you to return to your lane
Unless thare are other than normal circumstances, the driver of the parked vehicle would be at fault as it is his duty to ensure that it is safe to join the carriageway...
cylinder
Parallel lines will be co-planar.
It is a cylinder.
150 feet
"Allocated" is similar in meaning to "assigned" or "allotted." Unallocated space on a hard drive, for instance, is space that has not be assigned to any partition.
Of all the space around your vehicle, it is the area ahead of the vehicle - the space you are driving into - that is most important.
You should always remain a safe distance when you are behind another vehicle. The recommended amount of space that you should leave is one and half car lengths.