| Costa Mesa to Buena Park (California) | 14.16 mi (22.80 km) |
| Costa Mesa to Buenaventura Lakes (Florida) | 2,184.81 mi (3,516.12 km) |
| Costa Mesa to Buffalo (Minnesota) | 1,501.21 mi (2,415.97 km) |
| Costa Mesa to Buffalo (New York) | 2,190.80 mi (3,525.76 km) |
| Costa Mesa to Buffalo Grove (Illinois) | 1,724.34 mi (2,775.06 km) |
| Costa Mesa to Buford (Georgia) | 1,936.80 mi (3,116.97 km) |
| Costa Mesa to Bull Run (Virginia) | 2,260.49 mi (3,637.90 km) |
| Costa Mesa to Bullhead City (Arizona) | 216.66 mi (348.68 km) |
| Costa Mesa to Burbank (California) | 43.00 mi (69.21 km) |
| Costa Mesa to Burbank (Illinois) | 1,729.32 mi (2,783.07 km) |
| Costa Mesa to Burien (Washington) | 981.58 mi (1,579.70 km) |
| Costa Mesa to Burkburnett (Texas) | 1,108.56 mi (1,784.06 km) |
| Costa Mesa to Burke (Virginia) | 2,274.32 mi (3,660.16 km) |
| Costa Mesa to Burke Centre (Virginia) | 2,272.29 mi (3,656.90 km) |
| Costa Mesa to Burleson (Texas) | 1,191.92 mi (1,918.22 km) |
