| San Marino to Cold Springs (Nevada) | 398.39 mi (641.14 km) |
| San Marino to Coldwater (Michigan) | 1,868.31 mi (3,006.75 km) |
| San Marino to Colesville (Maryland) | 2,286.42 mi (3,679.63 km) |
| San Marino to College (Alaska) | 2,458.89 mi (3,957.21 km) |
| San Marino to College Park (Georgia) | 1,921.65 mi (3,092.60 km) |
| San Marino to College Park (Maryland) | 2,290.44 mi (3,686.10 km) |
| San Marino to College Station (Texas) | 1,294.03 mi (2,082.54 km) |
| San Marino to Collegedale (Tennessee) | 1,873.22 mi (3,014.66 km) |
| San Marino to Colleyville (Texas) | 1,208.67 mi (1,945.17 km) |
| San Marino to Collierville (Tennessee) | 1,612.12 mi (2,594.46 km) |
| San Marino to Collinsville (Illinois) | 1,587.91 mi (2,555.50 km) |
| San Marino to Colonia (New Jersey) | 2,421.15 mi (3,896.46 km) |
| San Marino to Colonial Heights (Virginia) | 2,277.50 mi (3,665.28 km) |
| San Marino to Colonial Park (Pennsylvania) | 2,291.45 mi (3,687.73 km) |
| San Marino to Colorado Springs (Colorado) | 809.84 mi (1,303.32 km) |
