| Civita Castellana to Smyrna (Delaware) | 4,388.40 mi (7,062.45 km) |
| Civita Castellana to Smyrna (Georgia) | 5,008.42 mi (8,060.27 km) |
| Civita Castellana to Smyrna (Tennessee) | 5,002.78 mi (8,051.20 km) |
| Civita Castellana to Snellville (Georgia) | 4,986.04 mi (8,024.25 km) |
| Civita Castellana to Snoqualmie (Washington) | 5,630.82 mi (9,061.93 km) |
| Civita Castellana to Snyder (Texas) | 5,752.93 mi (9,258.45 km) |
| Civita Castellana to Socastee (South Carolina) | 4,768.89 mi (7,674.78 km) |
| Civita Castellana to Socorro (Texas) | 6,016.90 mi (9,683.27 km) |
| Civita Castellana to Soddy-Daisy (Tennessee) | 4,975.83 mi (8,007.82 km) |
| Civita Castellana to Solana Beach (California) | 6,335.38 mi (10,195.80 km) |
| Civita Castellana to Soledad (California) | 6,264.85 mi (10,082.30 km) |
| Civita Castellana to Solon (Ohio) | 4,556.17 mi (7,332.45 km) |
| Civita Castellana to Somers Point (New Jersey) | 4,343.16 mi (6,989.64 km) |
| Civita Castellana to Somerset (Kentucky) | 4,871.72 mi (7,840.28 km) |
| Civita Castellana to Somerset (New Jersey) | 4,292.92 mi (6,908.78 km) |
