| Olbia to North Tustin (California) | 6,284.26 mi (10,113.54 km) |
| Olbia to North Valley (New Mexico) | 5,800.66 mi (9,335.26 km) |
| Olbia to North Valley Stream (New York) | 4,169.63 mi (6,710.37 km) |
| Olbia to North Wantagh (New York) | 4,160.12 mi (6,695.07 km) |
| Olbia to Northampton (Massachusetts) | 4,067.03 mi (6,545.24 km) |
| Olbia to Northampton (Pennsylvania) | 4,249.86 mi (6,839.50 km) |
| Olbia to Northbrook (Illinois) | 4,727.37 mi (7,607.96 km) |
| Olbia to Northbrook (Ohio) | 4,706.33 mi (7,574.11 km) |
| Olbia to Northdale (Florida) | 5,074.35 mi (8,166.38 km) |
| Olbia to Northfield (Minnesota) | 4,843.37 mi (7,794.66 km) |
| Olbia to Northglenn (Colorado) | 5,501.71 mi (8,854.14 km) |
| Olbia to Northlake (Illinois) | 4,739.07 mi (7,626.80 km) |
| Olbia to Northport (Alabama) | 5,090.40 mi (8,192.20 km) |
| Olbia to Northview (Michigan) | 4,598.24 mi (7,400.15 km) |
| Olbia to Norton (Ohio) | 4,508.84 mi (7,256.28 km) |
