| San Marino to Winder (Georgia) | 1,959.18 mi (3,152.99 km) |
| San Marino to Windsor (California) | 401.83 mi (646.68 km) |
| San Marino to Windsor (Colorado) | 846.07 mi (1,361.62 km) |
| San Marino to Winfield (Kansas) | 1,204.63 mi (1,938.66 km) |
| San Marino to Winnetka (Illinois) | 1,730.00 mi (2,784.17 km) |
| San Marino to Winona (Minnesota) | 1,566.07 mi (2,520.34 km) |
| San Marino to Winston-Salem (North Carolina) | 2,130.30 mi (3,428.39 km) |
| San Marino to Winter Garden (Florida) | 2,177.54 mi (3,504.41 km) |
| San Marino to Winter Gardens (California) | 112.05 mi (180.32 km) |
| San Marino to Winter Haven (Florida) | 2,184.05 mi (3,514.89 km) |
| San Marino to Winter Park (Florida) | 2,190.67 mi (3,525.54 km) |
| San Marino to Winter Springs (Florida) | 2,192.83 mi (3,529.02 km) |
| San Marino to Winterville (North Carolina) | 2,294.73 mi (3,693.01 km) |
| San Marino to Winton (California) | 265.57 mi (427.40 km) |
| San Marino to Wisconsin Rapids (Wisconsin) | 1,660.24 mi (2,671.90 km) |
