Within a couple of years he intends to decamp for either San Diego or San Francisco.
For starters, you must eliminate excess, so, if you wished, you could decamp on a dime.
1670s, from French décamper (17c.), earlier descamper, from des- (see dis-) + camper (see camp (n.)). Non-military use is from 1751. Related: Decamped; decamping.