Costa Mesa, California is close to the interstate highway I-405 CA. It is neighboring other cities: Fountain Valley, CA (4.6mi/8m ); Newport Beach, CA (4.8mi/9m ); Irvine, CA (6.2mi/9m ). You can get to the city from exit 11a of i405ca (1.1mi/2m ); exit 10 of i405ca (1.6mi/4m ); exit 11b of i405ca (2.1mi/5m ). Costa Mesa, California can reach interstate highways: i405ca (1.1mi/2m ); i5 (9.2mi/13m ); i605ca (17.4mi/22m ). It is also close to local highways: 73 SOUTHBOUND (2.5mi/4m ); 73 NORTHBOUND (1.8mi/4m ); 55 NORTHBOUND (2.2mi/5m ).