| Mortara to Security-Widefield (Colorado) | 5,316.37 mi (8,555.88 km) |
| Mortara to Sedalia (Missouri) | 4,886.97 mi (7,864.81 km) |
| Mortara to Sedro-Woolley (Washington) | 5,315.44 mi (8,554.37 km) |
| Mortara to Seguin (Texas) | 5,523.76 mi (8,889.63 km) |
| Mortara to Selden (New York) | 3,956.97 mi (6,368.13 km) |
| Mortara to Selma (Alabama) | 4,925.49 mi (7,926.80 km) |
| Mortara to Selma (California) | 5,932.23 mi (9,547.01 km) |
| Mortara to Selma (Texas) | 5,538.09 mi (8,912.69 km) |
| Mortara to Seminole (Florida) | 4,949.65 mi (7,965.69 km) |
| Mortara to Seven Hills (Ohio) | 4,301.28 mi (6,922.24 km) |
| Mortara to Seven Oaks (South Carolina) | 4,594.90 mi (7,394.78 km) |
| Mortara to Severn (Maryland) | 4,183.89 mi (6,733.32 km) |
| Mortara to Severna Park (Maryland) | 4,180.39 mi (6,727.69 km) |
| Mortara to Sevierville (Tennessee) | 4,618.47 mi (7,432.70 km) |
| Mortara to Seymour (Indiana) | 4,580.11 mi (7,370.98 km) |
