| San Marino to Worthington (Ohio) | 1,963.83 mi (3,160.48 km) |
| San Marino to Wright (Florida) | 1,848.44 mi (2,974.78 km) |
| San Marino to Wyandanch (New York) | 2,470.16 mi (3,975.34 km) |
| San Marino to Wyandotte (Michigan) | 1,964.12 mi (3,160.95 km) |
| San Marino to Wylie (Texas) | 1,243.15 mi (2,000.65 km) |
| San Marino to Wyndham (Virginia) | 2,262.35 mi (3,640.91 km) |
| San Marino to Wyoming (Michigan) | 1,840.51 mi (2,962.01 km) |
| San Marino to Wyomissing (Pennsylvania) | 2,335.35 mi (3,758.39 km) |
| San Marino to Xenia (Ohio) | 1,914.65 mi (3,081.34 km) |
| San Marino to Yakima (Washington) | 870.96 mi (1,401.68 km) |
| San Marino to Yankton (South Dakota) | 1,268.72 mi (2,041.81 km) |
| San Marino to Yauco (Puerto Rico) | 3,331.23 mi (5,361.09 km) |
| San Marino to Yazoo City (Mississippi) | 1,593.93 mi (2,565.18 km) |
| San Marino to Yeadon (Pennsylvania) | 2,374.93 mi (3,822.08 km) |
| San Marino to Yelm (Washington) | 916.34 mi (1,474.71 km) |
