| Castenaso to Smyrna (Delaware) | 4,272.07 mi (6,875.23 km) |
| Castenaso to Smyrna (Georgia) | 4,891.86 mi (7,872.68 km) |
| Castenaso to Smyrna (Tennessee) | 4,880.97 mi (7,855.17 km) |
| Castenaso to Snellville (Georgia) | 4,870.04 mi (7,837.58 km) |
| Castenaso to Snoqualmie (Washington) | 5,474.57 mi (8,810.47 km) |
| Castenaso to Snyder (Texas) | 5,620.79 mi (9,045.79 km) |
| Castenaso to Socastee (South Carolina) | 4,658.72 mi (7,497.48 km) |
| Castenaso to Socorro (Texas) | 5,880.64 mi (9,463.98 km) |
| Castenaso to Soddy-Daisy (Tennessee) | 4,856.45 mi (7,815.70 km) |
| Castenaso to Solana Beach (California) | 6,188.51 mi (9,959.44 km) |
| Castenaso to Soledad (California) | 6,113.27 mi (9,838.35 km) |
| Castenaso to Solon (Ohio) | 4,431.06 mi (7,131.10 km) |
| Castenaso to Somers Point (New Jersey) | 4,227.75 mi (6,803.91 km) |
| Castenaso to Somerset (Kentucky) | 4,750.19 mi (7,644.68 km) |
| Castenaso to Somerset (New Jersey) | 4,175.47 mi (6,719.78 km) |
