| Olbia to Somersworth (New Hampshire) | 3,956.80 mi (6,367.85 km) |
| Olbia to Somerton (Arizona) | 6,237.95 mi (10,039.01 km) |
| Olbia to Somerville (Massachusetts) | 3,994.40 mi (6,428.37 km) |
| Olbia to Somerville (New Jersey) | 4,214.37 mi (6,782.37 km) |
| Olbia to Sonoma (California) | 6,181.63 mi (9,948.37 km) |
| Olbia to Soquel (California) | 6,239.57 mi (10,041.62 km) |
| Olbia to South Bend (Indiana) | 4,680.59 mi (7,532.68 km) |
| Olbia to South Bradenton (Florida) | 5,104.52 mi (8,214.94 km) |
| Olbia to South Burlington (Vermont) | 4,020.56 mi (6,470.46 km) |
| Olbia to South Charleston (West Virginia) | 4,616.30 mi (7,429.22 km) |
| Olbia to South Daytona (Florida) | 4,956.61 mi (7,976.88 km) |
| Olbia to South El Monte (California) | 6,277.20 mi (10,102.18 km) |
| Olbia to South Elgin (Illinois) | 4,752.79 mi (7,648.88 km) |
| Olbia to South Euclid (Ohio) | 4,484.68 mi (7,217.39 km) |
| Olbia to South Farmingdale (New York) | 4,156.68 mi (6,689.53 km) |
