| Olbia to North Augusta (South Carolina) | 4,820.98 mi (7,758.62 km) |
| Olbia to North Aurora (Illinois) | 4,761.45 mi (7,662.81 km) |
| Olbia to North Babylon (New York) | 4,150.65 mi (6,679.83 km) |
| Olbia to North Bay Shore (New York) | 4,146.80 mi (6,673.62 km) |
| Olbia to North Bellmore (New York) | 4,161.77 mi (6,697.73 km) |
| Olbia to North Bellport (New York) | 4,131.56 mi (6,649.10 km) |
| Olbia to North Bend (Oregon) | 5,938.89 mi (9,557.71 km) |
| Olbia to North Bethesda (Maryland) | 4,383.24 mi (7,054.15 km) |
| Olbia to North Branch (Minnesota) | 4,790.13 mi (7,708.96 km) |
| Olbia to North Canton (Ohio) | 4,503.97 mi (7,248.45 km) |
| Olbia to North Charleston (South Carolina) | 4,758.14 mi (7,657.49 km) |
| Olbia to North Chicago (Illinois) | 4,720.68 mi (7,597.21 km) |
| Olbia to North Decatur (Georgia) | 4,916.66 mi (7,912.60 km) |
| Olbia to North Druid Hills (Georgia) | 4,917.87 mi (7,914.54 km) |
| Olbia to North Fair Oaks (California) | 6,220.28 mi (10,010.58 km) |
