840 miles = ~0.0000090365521499 AU
http://www.infoplease.com/ipa/A0001801.html
That state of California has 840 miles of coastline.
840 meters is 0.52 miles.
1365
1 astronomical unit (AU) is approximately equal to the average distance between the Earth and the Sun, which is about 93 million miles. Therefore, 5.20 AU is approximately 483.6 million miles.
Interstate 840 (I-840), is a 77 miles loop interstate highway around Nashville, Tennessee.
840/70 = 12 hours.
California has approximately 840 miles of coastline along the Pacific Ocean.
7 AU is 650,690,662 miles.
50,000 AU is 4,647,790,440,000 miles.
1 AU is 92,956,000 miles.
Multiply AU by 92,955,807.3 to get miles.