Additional Kilometre Charge: The Intermediate 12 Seater includes 200 kilometres per rental day. Thereafter a charge of 36 cents per kilometre will apply.
Check out the details in the Rental Agreement
The document below is what you agree to when you check out your Mighty Car in Australia. This is must read stuff.
01 April 2016 to 31 March 2017 - Terms and Conditions.pdf