| Olbia to Security-Widefield (Colorado) | 5,549.24 mi (8,930.64 km) |
| Olbia to Sedalia (Missouri) | 5,096.66 mi (8,202.28 km) |
| Olbia to Sedro-Woolley (Washington) | 5,592.71 mi (9,000.60 km) |
| Olbia to Seguin (Texas) | 5,717.63 mi (9,201.63 km) |
| Olbia to Selden (New York) | 4,133.21 mi (6,651.77 km) |
| Olbia to Selma (Alabama) | 5,101.02 mi (8,209.31 km) |
| Olbia to Selma (California) | 6,189.19 mi (9,960.54 km) |
| Olbia to Selma (Texas) | 5,732.81 mi (9,226.07 km) |
| Olbia to Seminole (Florida) | 5,097.91 mi (8,204.29 km) |
| Olbia to Seven Hills (Ohio) | 4,496.60 mi (7,236.57 km) |
| Olbia to Seven Oaks (South Carolina) | 4,761.93 mi (7,663.58 km) |
| Olbia to Severn (Maryland) | 4,360.50 mi (7,017.55 km) |
| Olbia to Severna Park (Maryland) | 4,356.54 mi (7,011.17 km) |
| Olbia to Sevierville (Tennessee) | 4,797.92 mi (7,721.51 km) |
| Olbia to Seymour (Indiana) | 4,775.36 mi (7,685.20 km) |
