| Olbia to Naugatuck (Connecticut) | 4,112.27 mi (6,618.06 km) |
| Olbia to Navarre (Florida) | 5,180.97 mi (8,337.96 km) |
| Olbia to Nederland (Texas) | 5,524.62 mi (8,891.01 km) |
| Olbia to Neenah (Wisconsin) | 4,670.47 mi (7,516.40 km) |
| Olbia to Neosho (Missouri) | 5,227.46 mi (8,412.78 km) |
| Olbia to Nesconset (New York) | 4,138.85 mi (6,660.83 km) |
| Olbia to New Albany (Indiana) | 4,798.64 mi (7,722.66 km) |
| Olbia to New Albany (Ohio) | 4,595.10 mi (7,395.09 km) |
| Olbia to New Baltimore (Michigan) | 4,492.10 mi (7,229.34 km) |
| Olbia to New Baltimore (Virginia) | 4,421.03 mi (7,114.96 km) |
| Olbia to New Bedford (Massachusetts) | 4,010.95 mi (6,454.99 km) |
| Olbia to New Berlin (Wisconsin) | 4,704.99 mi (7,571.95 km) |
| Olbia to New Bern (North Carolina) | 4,530.67 mi (7,291.41 km) |
| Olbia to New Braunfels (Texas) | 5,718.81 mi (9,203.53 km) |
| Olbia to New Brighton (Minnesota) | 4,818.62 mi (7,754.82 km) |
