Yes, I really did keep track of every location in every episode and calculate the mileage.
Some locations are completely unknown, and therefore not plotted on the map. If I knew the state, but not the location within the state, I used the city closest to the geographic center of the state.
Note: this is just where the Impala went. That’s why Season 7 is so short and it doesn’t show their trip to Scotland in season 6.
Click through to the source link to embiggen.