| Ovada to Siran | 1,575.28 mi (2,535.17 km) |
| Ovada to Sirnak | 1,814.02 mi (2,919.39 km) |
| Ovada to Sirvan | 1,776.39 mi (2,858.83 km) |
| Ovada to Sivas | 1,482.93 mi (2,386.54 km) |
| Ovada to Sivasli | 1,163.63 mi (1,872.69 km) |
| Ovada to Siverek | 1,653.03 mi (2,660.29 km) |
| Ovada to Sivrice | 1,631.85 mi (2,626.20 km) |
| Ovada to Sivrihisar | 1,223.37 mi (1,968.82 km) |
| Ovada to Sogut | 1,141.56 mi (1,837.16 km) |
| Ovada to Sogutlu | 1,133.60 mi (1,824.35 km) |
| Ovada to Soke | 1,082.00 mi (1,741.31 km) |
| Ovada to Solhan | 1,702.44 mi (2,739.82 km) |
| Ovada to Soma | 1,042.15 mi (1,677.18 km) |
| Ovada to Sorgun | 1,391.64 mi (2,239.63 km) |
| Ovada to Suhut | 1,203.32 mi (1,936.56 km) |
