| Olbia to Superior (Colorado) | 5,507.24 mi (8,863.05 km) |
| Olbia to Superior (Wisconsin) | 4,707.10 mi (7,575.35 km) |
| Olbia to Surprise (Arizona) | 6,097.80 mi (9,813.47 km) |
| Olbia to Susanville (California) | 6,004.47 mi (9,663.26 km) |
| Olbia to Sussex (Wisconsin) | 4,702.19 mi (7,567.45 km) |
| Olbia to Suwanee (Georgia) | 4,896.44 mi (7,880.06 km) |
| Olbia to Swansea (Illinois) | 4,967.37 mi (7,994.21 km) |
| Olbia to Sweetwater (Florida) | 5,068.88 mi (8,157.57 km) |
| Olbia to Sweetwater (Texas) | 5,684.28 mi (9,147.96 km) |
| Olbia to Sycamore (Illinois) | 4,767.77 mi (7,672.98 km) |
| Olbia to Sylacauga (Alabama) | 5,033.17 mi (8,100.11 km) |
| Olbia to Sylvania (Ohio) | 4,571.12 mi (7,356.51 km) |
| Olbia to Syosset (New York) | 4,155.75 mi (6,688.03 km) |
| Olbia to Syracuse (New York) | 4,195.82 mi (6,752.52 km) |
| Olbia to Syracuse (Utah) | 5,693.33 mi (9,162.52 km) |
