| Olbia to Southern Pines (North Carolina) | 4,635.47 mi (7,460.06 km) |
| Olbia to Southfield (Michigan) | 4,522.34 mi (7,278.00 km) |
| Olbia to Southgate (Michigan) | 4,530.51 mi (7,291.15 km) |
| Olbia to Southlake (Texas) | 5,523.64 mi (8,889.44 km) |
| Olbia to Spanaway (Washington) | 5,678.05 mi (9,137.93 km) |
| Olbia to Spanish Fork (Utah) | 5,729.87 mi (9,221.34 km) |
| Olbia to Spanish Lake (Missouri) | 4,966.55 mi (7,992.90 km) |
| Olbia to Spanish Springs (Nevada) | 6,018.26 mi (9,685.46 km) |
| Olbia to Sparks (Nevada) | 6,024.38 mi (9,695.30 km) |
| Olbia to Spartanburg (South Carolina) | 4,761.61 mi (7,663.07 km) |
| Olbia to Spearfish (South Dakota) | 5,235.93 mi (8,426.41 km) |
| Olbia to Speedway (Indiana) | 4,756.10 mi (7,654.21 km) |
| Olbia to Spencer (Iowa) | 4,977.13 mi (8,009.92 km) |
| Olbia to Spokane (Washington) | 5,508.38 mi (8,864.88 km) |
| Olbia to Spokane Valley (Washington) | 5,502.95 mi (8,856.14 km) |
