| Richmond Heights to Sinop | 5,442.38 mi (8,758.67 km) |
| Richmond Heights to Siran | 5,674.88 mi (9,132.83 km) |
| Richmond Heights to Sirnak | 5,931.20 mi (9,545.35 km) |
| Richmond Heights to Sirvan | 5,887.17 mi (9,474.48 km) |
| Richmond Heights to Sivas | 5,624.29 mi (9,051.41 km) |
| Richmond Heights to Sivasli | 5,416.70 mi (8,717.33 km) |
| Richmond Heights to Siverek | 5,809.87 mi (9,350.08 km) |
| Richmond Heights to Sivrice | 5,772.96 mi (9,290.69 km) |
| Richmond Heights to Sivrihisar | 5,439.94 mi (8,754.73 km) |
| Richmond Heights to Sogut | 5,361.20 mi (8,628.02 km) |
| Richmond Heights to Sogutlu | 5,329.72 mi (8,577.36 km) |
| Richmond Heights to Soke | 5,363.11 mi (8,631.09 km) |
| Richmond Heights to Solhan | 5,805.45 mi (9,342.97 km) |
| Richmond Heights to Soma | 5,302.55 mi (8,533.64 km) |
| Richmond Heights to Sorgun | 5,555.87 mi (8,941.31 km) |
