| San Marino to Wayne (Michigan) | 1,952.70 mi (3,142.57 km) |
| San Marino to Waynesboro (Pennsylvania) | 2,252.38 mi (3,624.85 km) |
| San Marino to Waynesboro (Virginia) | 2,189.84 mi (3,524.21 km) |
| San Marino to Weatherford (Oklahoma) | 1,104.39 mi (1,777.35 km) |
| San Marino to Weatherford (Texas) | 1,174.66 mi (1,890.44 km) |
| San Marino to Webb City (Missouri) | 1,340.58 mi (2,157.45 km) |
| San Marino to Webster (Texas) | 1,383.40 mi (2,226.37 km) |
| San Marino to Webster Groves (Missouri) | 1,568.85 mi (2,524.82 km) |
| San Marino to Weddington (North Carolina) | 2,114.72 mi (3,403.31 km) |
| San Marino to Weigelstown (Pennsylvania) | 2,291.30 mi (3,687.49 km) |
| San Marino to Weirton (West Virginia) | 2,093.35 mi (3,368.92 km) |
| San Marino to Wekiwa Springs (Florida) | 2,183.76 mi (3,514.42 km) |
| San Marino to Welby (Colorado) | 825.02 mi (1,327.74 km) |
| San Marino to Wellington (Colorado) | 849.48 mi (1,367.11 km) |
| San Marino to Wellington (Florida) | 2,300.23 mi (3,701.86 km) |
