| Olbia to Washington (Indiana) | 4,842.04 mi (7,792.50 km) |
| Olbia to Washington (Missouri) | 5,010.81 mi (8,064.13 km) |
| Olbia to Washington (Pennsylvania) | 4,480.31 mi (7,210.37 km) |
| Olbia to Washington (Utah) | 5,951.63 mi (9,578.22 km) |
| Olbia to Washington Court House (Ohio) | 4,644.54 mi (7,474.67 km) |
| Olbia to Washougal (Washington) | 5,762.17 mi (9,273.32 km) |
| Olbia to Watauga (Texas) | 5,531.83 mi (8,902.62 km) |
| Olbia to Waterbury (Connecticut) | 4,109.20 mi (6,613.12 km) |
| Olbia to Waterloo (Illinois) | 4,983.52 mi (8,020.21 km) |
| Olbia to Waterloo (Iowa) | 4,895.55 mi (7,878.63 km) |
| Olbia to Watertown (New York) | 4,153.45 mi (6,684.34 km) |
| Olbia to Watertown (South Dakota) | 4,974.69 mi (8,005.99 km) |
| Olbia to Watertown (Wisconsin) | 4,720.51 mi (7,596.92 km) |
| Olbia to Watertown Town (Massachusetts) | 3,998.50 mi (6,434.96 km) |
| Olbia to Waterville (Maine) | 3,862.06 mi (6,215.38 km) |
