| Formia to Security-Widefield (Colorado) | 5,683.79 mi (9,147.17 km) |
| Formia to Sedalia (Missouri) | 5,249.10 mi (8,447.61 km) |
| Formia to Sedro-Woolley (Washington) | 5,675.17 mi (9,133.30 km) |
| Formia to Seguin (Texas) | 5,880.59 mi (9,463.89 km) |
| Formia to Selden (New York) | 4,305.25 mi (6,928.63 km) |
| Formia to Selma (Alabama) | 5,273.99 mi (8,487.67 km) |
| Formia to Selma (California) | 6,299.50 mi (10,138.06 km) |
| Formia to Selma (Texas) | 5,895.26 mi (9,487.50 km) |
| Formia to Seminole (Florida) | 5,283.53 mi (8,503.03 km) |
| Formia to Seven Hills (Ohio) | 4,658.13 mi (7,496.53 km) |
| Formia to Seven Oaks (South Carolina) | 4,938.96 mi (7,948.49 km) |
| Formia to Severn (Maryland) | 4,532.49 mi (7,294.34 km) |
| Formia to Severna Park (Maryland) | 4,528.77 mi (7,288.35 km) |
| Formia to Sevierville (Tennessee) | 4,968.66 mi (7,996.29 km) |
| Formia to Seymour (Indiana) | 4,937.07 mi (7,945.44 km) |
