If you take I-70 all the way across the state the driving distance is about 450 road miles.
The driving distance is about 275 miles on US-101.
The shortest driving distance is 22.7 miles across I-40.
The driving distance is about 71 miles using US-17 S.
785 miles across I-80 EAST.
75 miles across U.S. 74 EAST.
63 miles across I-84.
335 miles across I-70.
110 kilometres across the QEW.
107 miles across I-70 EAST.
The distance between California and New York is probably across the US. It is about 2,973 miles and it takes about 1 day 21 hours.
Yes, the diameter of the moon is about 3474 km, while the distance across the US (continental) is approximately 4500 km. So, the moon's diameter is indeed a little less than the distance across the US.