Costco Gas Prices in the DC / DMV area LocationRegularPremium OWINGS MILLS, MD 10270 MILL RUN CIRCLE OWINGS MILLS, MD 211172.973.69 STERLING, VA 21398 PRICE CASCADES PLZ STERLING, VA 20164-66062.993.85 WHITE MARSH (BALTIMORE), MD 9919 PULASKI HWY WHITE MARSH (BALTIMORE), MD 21220-14232.933.61 22 more rows