| Castagneto Carducci to Security-Widefield (Colorado) | 5,481.88 mi (8,822.23 km) |
| Castagneto Carducci to Sedalia (Missouri) | 5,046.58 mi (8,121.68 km) |
| Castagneto Carducci to Sedro-Woolley (Washington) | 5,485.93 mi (8,828.75 km) |
| Castagneto Carducci to Seguin (Texas) | 5,678.95 mi (9,139.39 km) |
| Castagneto Carducci to Selden (New York) | 4,105.72 mi (6,607.52 km) |
| Castagneto Carducci to Selma (Alabama) | 5,074.50 mi (8,166.62 km) |
| Castagneto Carducci to Selma (California) | 6,101.91 mi (9,820.08 km) |
| Castagneto Carducci to Selma (Texas) | 5,693.55 mi (9,162.89 km) |
| Castagneto Carducci to Seminole (Florida) | 5,088.92 mi (8,189.82 km) |
| Castagneto Carducci to Seven Hills (Ohio) | 4,456.43 mi (7,171.93 km) |
| Castagneto Carducci to Seven Oaks (South Carolina) | 4,740.81 mi (7,629.59 km) |
| Castagneto Carducci to Severn (Maryland) | 4,332.90 mi (6,973.12 km) |
| Castagneto Carducci to Severna Park (Maryland) | 4,329.24 mi (6,967.23 km) |
| Castagneto Carducci to Sevierville (Tennessee) | 4,768.65 mi (7,674.41 km) |
| Castagneto Carducci to Seymour (Indiana) | 4,735.36 mi (7,620.83 km) |
