| San Marino to Waimea (Hawaii) | 2,488.26 mi (4,004.47 km) |
| San Marino to Waipahu (Hawaii) | 2,574.11 mi (4,142.64 km) |
| San Marino to Waipio (Hawaii) | 2,572.41 mi (4,139.90 km) |
| San Marino to Wake Forest (North Carolina) | 2,228.30 mi (3,586.10 km) |
| San Marino to Wakefield (Virginia) | 2,274.96 mi (3,661.20 km) |
| San Marino to Waldorf (Maryland) | 2,293.49 mi (3,691.02 km) |
| San Marino to Walker (Michigan) | 1,839.56 mi (2,960.49 km) |
| San Marino to Walker Mill (Maryland) | 2,293.71 mi (3,691.37 km) |
| San Marino to Walla Walla (Washington) | 825.38 mi (1,328.32 km) |
| San Marino to Wallingford Center (Connecticut) | 2,495.31 mi (4,015.81 km) |
| San Marino to Wallington (New Jersey) | 2,430.89 mi (3,912.13 km) |
| San Marino to Walnut (California) | 15.78 mi (25.39 km) |
| San Marino to Walnut Creek (California) | 341.06 mi (548.88 km) |
| San Marino to Walnut Park (California) | 12.34 mi (19.86 km) |
| San Marino to Waltham (Massachusetts) | 2,572.56 mi (4,140.13 km) |
