| Olbia to Serik | 1,190.28 mi (1,915.58 km) |
| Olbia to Serinhisar | 1,080.13 mi (1,738.29 km) |
| Olbia to Serinyol | 1,468.69 mi (2,363.62 km) |
| Olbia to Seydisehir | 1,217.90 mi (1,960.02 km) |
| Olbia to Seyhan | 1,409.04 mi (2,267.63 km) |
| Olbia to Seyitgazi | 1,120.63 mi (1,803.48 km) |
| Olbia to Siirt | 1,734.06 mi (2,790.69 km) |
| Olbia to Sile | 1,045.86 mi (1,683.16 km) |
| Olbia to Silifke | 1,350.43 mi (2,173.31 km) |
| Olbia to Silivri | 975.85 mi (1,570.49 km) |
| Olbia to Silopi | 1,775.69 mi (2,857.69 km) |
| Olbia to Simav | 1,036.79 mi (1,668.55 km) |
| Olbia to Sinanpasa | 1,108.41 mi (1,783.81 km) |
| Olbia to Sindirgi | 992.16 mi (1,596.73 km) |
| Olbia to Sinop | 1,325.21 mi (2,132.71 km) |
