There isn't. There is a foul if crossing the foul lone.
Exactly the same length as in tenpin Bowling: 60 feet from the foul line to the headpin.
It is called the Foul Line
A standard Bowling alley is 60 feet from the foul line to the cantre of the No. 1 pin
In bowling, the pins knocked down by the ball do not count.
A Bowling lane is 60 feet long from foul line to the center of the headpin, and 62 feet 10 inches from the foul line to the back of the pins. It can range from 41-42 inches wide.
A bowler is not permitted to cross the foul line.
A bowling lane is 60 feet long from the foul line to the center of the headpin. Each pin is 12 inches apart center to center. And the approach (the part you walk on) is 15 feet long.
It's called the foul line. If you step on or over it you'll get a big, fat F for foul and you'll only have one shot to get down the pins.