No but it's close. There are 2 states that border CA to the East, AZ & NM. Utah is wedged between them to the east-see below.
If you are driving or flying to Colorado or Utah from California, Colorado is farther away.
The state of Nevada is between Utah and California.
Nevada lies between California and Utah.
California to Colorado is further than California to Utah.
Colorado lies east of Utah. Utah lies to the north-east of California. Therefore, Colorado is farther from California. See the link for a map.
California and Utah are about 120 miles apart at closest point. Colorado is much further.
California to Colorado, obviously!
Both Nevada and Arizona border California. Utah and Ohio do not border California.
A California Gull is the Utah State Bird
California, idaho, Utah, Arizona, and Oregon.
California, Nevada, Arizona, Utah, Wyoming, Colorado, and New Mexico.
California, Idaho, Utah, Oregon, and Arizona border Nevada.