Hi Musclecar and welcome to the forum!
Its totally possible to rack up that many kms in a week! I do over 10kms a day in general movements (according to the pedometer anyway) And riding a bike would burn up the kms too.
Good luck with your weightloss goals
P.S What sort of muscle cars do u like, Aus, US?? My boyfriend has a 87 chevy camaro
Highest Weight - 93kgs
Current Weight - 68.3kgs
Goal Weight - 65kgs
The wise man Stephen King once said - The only way to go on, is to go on. To say 'i can do this' even when you know you cant
You'll find me in the almost there section