First hour or 2 is by the hour, then they charge for an additional day. Go to thrifty.com put in SDF for the airport, put in 9/12 11PM and 9/20 11PM as the pickup/dropoff, on the next page you will see "show hot deals", click on that, pick compact, last page should show that price for the total. Yes, you can drive the car anywhere in the US - unlimited mileage, no restrictions. Szymon