| Catonsville to Sinop | 5,383.82 mi (8,664.42 km) |
| Catonsville to Siran | 5,620.88 mi (9,045.93 km) |
| Catonsville to Sirnak | 5,878.05 mi (9,459.81 km) |
| Catonsville to Sirvan | 5,834.51 mi (9,389.74 km) |
| Catonsville to Sivas | 5,562.70 mi (8,952.30 km) |
| Catonsville to Sivasli | 5,330.26 mi (8,578.23 km) |
| Catonsville to Siverek | 5,748.00 mi (9,250.51 km) |
| Catonsville to Sivrice | 5,713.47 mi (9,194.94 km) |
| Catonsville to Sivrihisar | 5,362.08 mi (8,629.44 km) |
| Catonsville to Sogut | 5,281.85 mi (8,500.31 km) |
| Catonsville to Sogutlu | 5,254.50 mi (8,456.30 km) |
| Catonsville to Soke | 5,267.89 mi (8,477.86 km) |
| Catonsville to Solhan | 5,752.90 mi (9,258.41 km) |
| Catonsville to Soma | 5,213.31 mi (8,390.01 km) |
| Catonsville to Sorgun | 5,489.37 mi (8,834.29 km) |
