Mine is about 15 minutes and it’s great, enough on ramps and lane changes to make it interesting, but not too long that I start getting bored or dread the drive to work or home. But this guy  commutes 186 miles, about three and a half hours each way, between his home in Mariposa, CA to his job at Cisco in San Jose. Unbelievable. (I bet you at least one person brags that their commute is 5 seconds, the walk from the bedroom to their home office!)
And with gas tipping the scales at over $3, here are some tips for conserving a little extra gas .