| Comacchio to Security-Widefield (Colorado) | 5,463.75 mi (8,793.06 km) |
| Comacchio to Sedalia (Missouri) | 5,043.74 mi (8,117.12 km) |
| Comacchio to Sedro-Woolley (Washington) | 5,431.97 mi (8,741.91 km) |
| Comacchio to Seguin (Texas) | 5,684.78 mi (9,148.77 km) |
| Comacchio to Selden (New York) | 4,122.83 mi (6,635.05 km) |
| Comacchio to Selma (Alabama) | 5,090.97 mi (8,193.12 km) |
| Comacchio to Selma (California) | 6,065.45 mi (9,761.39 km) |
| Comacchio to Selma (Texas) | 5,698.87 mi (9,171.44 km) |
| Comacchio to Seminole (Florida) | 5,119.21 mi (8,238.58 km) |
| Comacchio to Seven Hills (Ohio) | 4,462.67 mi (7,181.98 km) |
| Comacchio to Seven Oaks (South Carolina) | 4,762.05 mi (7,663.77 km) |
| Comacchio to Severn (Maryland) | 4,349.55 mi (6,999.92 km) |
| Comacchio to Severna Park (Maryland) | 4,346.14 mi (6,994.44 km) |
| Comacchio to Sevierville (Tennessee) | 4,783.33 mi (7,698.02 km) |
| Comacchio to Seymour (Indiana) | 4,741.34 mi (7,630.45 km) |
