| San Mateo to Commerce (California) | 338.67 mi (545.04 km) |
| San Mateo to Commerce City (Colorado) | 953.72 mi (1,534.87 km) |
| San Mateo to Compton (California) | 341.13 mi (548.99 km) |
| San Mateo to Comstock Park (Michigan) | 1,951.35 mi (3,140.39 km) |
| San Mateo to Concord (California) | 33.61 mi (54.09 km) |
| San Mateo to Concord (Missouri) | 1,731.56 mi (2,786.67 km) |
| San Mateo to Concord (New Hampshire) | 2,658.17 mi (4,277.91 km) |
| San Mateo to Concord (North Carolina) | 2,301.35 mi (3,703.66 km) |
| San Mateo to Conneaut (Ohio) | 2,216.23 mi (3,566.68 km) |
| San Mateo to Connersville (Indiana) | 1,997.95 mi (3,215.40 km) |
| San Mateo to Conroe (Texas) | 1,610.48 mi (2,591.82 km) |
| San Mateo to Converse (Texas) | 1,484.67 mi (2,389.34 km) |
| San Mateo to Conway (Arkansas) | 1,663.28 mi (2,676.79 km) |
| San Mateo to Conway (Florida) | 2,434.54 mi (3,918.01 km) |
| San Mateo to Conway (South Carolina) | 2,420.10 mi (3,894.77 km) |
