| Castelli Calepio to Smyrna (Delaware) | 4,167.92 mi (6,707.62 km) |
| Castelli Calepio to Smyrna (Georgia) | 4,787.53 mi (7,704.79 km) |
| Castelli Calepio to Smyrna (Tennessee) | 4,775.20 mi (7,684.94 km) |
| Castelli Calepio to Snellville (Georgia) | 4,765.89 mi (7,669.96 km) |
| Castelli Calepio to Snoqualmie (Washington) | 5,368.77 mi (8,640.21 km) |
| Castelli Calepio to Snyder (Texas) | 5,512.73 mi (8,871.88 km) |
| Castelli Calepio to Socastee (South Carolina) | 4,556.44 mi (7,332.88 km) |
| Castelli Calepio to Socorro (Texas) | 5,771.99 mi (9,289.11 km) |
| Castelli Calepio to Soddy-Daisy (Tennessee) | 4,751.33 mi (7,646.53 km) |
| Castelli Calepio to Solana Beach (California) | 6,079.59 mi (9,784.16 km) |
| Castelli Calepio to Soledad (California) | 6,005.22 mi (9,664.46 km) |
| Castelli Calepio to Solon (Ohio) | 4,324.51 mi (6,959.63 km) |
| Castelli Calepio to Somers Point (New Jersey) | 4,123.89 mi (6,636.77 km) |
| Castelli Calepio to Somerset (Kentucky) | 4,644.50 mi (7,474.60 km) |
| Castelli Calepio to Somerset (New Jersey) | 4,071.02 mi (6,551.67 km) |
