| San Mateo to Cullman (Alabama) | 1,987.99 mi (3,199.36 km) |
| San Mateo to Culpeper (Virginia) | 2,389.42 mi (3,845.40 km) |
| San Mateo to Culver City (California) | 328.88 mi (529.28 km) |
| San Mateo to Cumberland (Maryland) | 2,333.10 mi (3,754.76 km) |
| San Mateo to Cupertino (California) | 21.83 mi (35.14 km) |
| San Mateo to Cutler Bay (Florida) | 2,581.89 mi (4,155.15 km) |
| San Mateo to Cutlerville (Michigan) | 1,951.95 mi (3,141.36 km) |
| San Mateo to Cuyahoga Falls (Ohio) | 2,173.43 mi (3,497.80 km) |
| San Mateo to Cypress (California) | 352.22 mi (566.84 km) |
| San Mateo to Cypress Gardens (Florida) | 2,430.12 mi (3,910.90 km) |
| San Mateo to Cypress Lake (Florida) | 2,464.79 mi (3,966.70 km) |
| San Mateo to D'Iberville (Mississippi) | 1,963.89 mi (3,160.58 km) |
| San Mateo to Dakota Ridge (Colorado) | 937.18 mi (1,508.25 km) |
| San Mateo to Dale City (Virginia) | 2,421.23 mi (3,896.60 km) |
| San Mateo to Dallas (Georgia) | 2,102.61 mi (3,383.82 km) |
