Reserving a rental car for your getaway to San Diego is a snap with Expedia. About 3 kilometers from Balboa Park, Avis is one of multiple car rental companies located in the area. Also take a look at the rates at Enterprise and Ace. Even if you want a car today, you can enter your pick-up and drop-off locations to view amazing deals from a wide variety of providers. Choose the one that suits you best, or check the “Great Deal” box for more exclusive prices.