| Olbia to University Place (Washington) | 5,674.67 mi (9,132.50 km) |
| Olbia to Upland (California) | 6,260.08 mi (10,074.63 km) |
| Olbia to Upper Arlington (Ohio) | 4,609.63 mi (7,418.48 km) |
| Olbia to Upper Grand Lagoon (Florida) | 5,138.24 mi (8,269.20 km) |
| Olbia to Upper Montclair (New Jersey) | 4,186.32 mi (6,737.24 km) |
| Olbia to Urbana (Illinois) | 4,825.82 mi (7,766.41 km) |
| Olbia to Urbana (Maryland) | 4,382.63 mi (7,053.17 km) |
| Olbia to Urbana (Ohio) | 4,636.08 mi (7,461.05 km) |
| Olbia to Urbandale (Iowa) | 4,989.59 mi (8,029.98 km) |
| Olbia to Utica (New York) | 4,153.80 mi (6,684.89 km) |
| Olbia to Uvalde (Texas) | 5,814.17 mi (9,357.01 km) |
| Olbia to Vacaville (California) | 6,162.66 mi (9,917.85 km) |
| Olbia to Vadnais Heights (Minnesota) | 4,813.96 mi (7,747.32 km) |
| Olbia to Vail (Arizona) | 6,119.14 mi (9,847.81 km) |
| Olbia to Valdosta (Georgia) | 4,993.88 mi (8,036.87 km) |
