What we’re talking about here is, individually, California drivers are averaging a bloated 13,636 miles annually. This compares nationally to an average per-capita per-annum VMT of 9,363. That is 4,273 miles driven over the nationwide average or almost 1.5 times what the typical American driver is driving.his compares nationally to an average per-capita per-annum VMT of 9,363. That is 4,273 miles driven over the nationwide average or almost 1.5 times what the typical American driver is driving.