| San Mateo to Carrollwood (Florida) | 2,383.15 mi (3,835.30 km) |
| San Mateo to Carson (California) | 342.97 mi (551.96 km) |
| San Mateo to Carson City (Nevada) | 177.51 mi (285.67 km) |
| San Mateo to Carteret (New Jersey) | 2,555.80 mi (4,113.17 km) |
| San Mateo to Cartersville (Georgia) | 2,099.63 mi (3,379.02 km) |
| San Mateo to Carthage (Missouri) | 1,531.85 mi (2,465.27 km) |
| San Mateo to Cary (Illinois) | 1,821.97 mi (2,932.18 km) |
| San Mateo to Cary (North Carolina) | 2,391.91 mi (3,849.41 km) |
| San Mateo to Casa de Oro-Mount Helix (California) | 447.66 mi (720.44 km) |
| San Mateo to Casa Grande (Arizona) | 675.80 mi (1,087.60 km) |
| San Mateo to Casas Adobes (Arizona) | 733.53 mi (1,180.50 km) |
| San Mateo to Cascades (Virginia) | 2,413.15 mi (3,883.59 km) |
| San Mateo to Casper (Wyoming) | 917.77 mi (1,477.01 km) |
| San Mateo to Casselberry (Florida) | 2,430.14 mi (3,910.94 km) |
| San Mateo to Castaic (California) | 295.43 mi (475.45 km) |
