An average male penis is 13.3 cm long.
An average session of intercourse is 20 minutes long
In average the guy "Pumps" once every second
thats 1200 strokes per session.
The average women have sex once per week in her sexual active life.
the average women is sexually active from 17 years of age to 60 years of age.
thats 2242 sessions of sex of 1200 strokes with a 13.3 cm penis
Thats 35782300 centimeters of penis.
So basically a woman gets 35.7 kilometers of cock in a lifetime