| San Mateo to Clemson (South Carolina) | 2,197.37 mi (3,536.32 km) |
| San Mateo to Clermont (Florida) | 2,412.18 mi (3,882.02 km) |
| San Mateo to Cleveland (Mississippi) | 1,784.19 mi (2,871.38 km) |
| San Mateo to Cleveland (Ohio) | 2,162.67 mi (3,480.48 km) |
| San Mateo to Cleveland (Tennessee) | 2,075.81 mi (3,340.69 km) |
| San Mateo to Cleveland Heights (Ohio) | 2,168.41 mi (3,489.72 km) |
| San Mateo to Cliffside Park (New Jersey) | 2,564.96 mi (4,127.91 km) |
| San Mateo to Clifton (Colorado) | 757.51 mi (1,219.10 km) |
| San Mateo to Clifton (New Jersey) | 2,555.72 mi (4,113.04 km) |
| San Mateo to Clinton (Iowa) | 1,720.23 mi (2,768.45 km) |
| San Mateo to Clinton (Maryland) | 2,442.81 mi (3,931.32 km) |
| San Mateo to Clinton (Mississippi) | 1,836.63 mi (2,955.76 km) |
| San Mateo to Clinton (Utah) | 600.47 mi (966.36 km) |
| San Mateo to Clive (Iowa) | 1,536.80 mi (2,473.25 km) |
| San Mateo to Cloquet (Minnesota) | 1,641.49 mi (2,641.72 km) |
