| Oristano to Smyrna (Delaware) | 4,298.13 mi (6,917.17 km) |
| Oristano to Smyrna (Georgia) | 4,916.68 mi (7,912.63 km) |
| Oristano to Smyrna (Tennessee) | 4,923.01 mi (7,922.82 km) |
| Oristano to Snellville (Georgia) | 4,893.11 mi (7,874.70 km) |
| Oristano to Snoqualmie (Washington) | 5,673.21 mi (9,130.15 km) |
| Oristano to Snyder (Texas) | 5,697.42 mi (9,169.11 km) |
| Oristano to Socastee (South Carolina) | 4,664.35 mi (7,506.55 km) |
| Oristano to Socorro (Texas) | 5,972.63 mi (9,612.03 km) |
| Oristano to Soddy-Daisy (Tennessee) | 4,890.48 mi (7,870.47 km) |
| Oristano to Solana Beach (California) | 6,327.09 mi (10,182.46 km) |
| Oristano to Soledad (California) | 6,277.91 mi (10,103.31 km) |
| Oristano to Solon (Ohio) | 4,485.82 mi (7,219.23 km) |
| Oristano to Somers Point (New Jersey) | 4,251.02 mi (6,841.35 km) |
| Oristano to Somerset (Kentucky) | 4,791.70 mi (7,711.50 km) |
| Oristano to Somerset (New Jersey) | 4,205.44 mi (6,768.00 km) |
