| Olbia to Nocatee (Florida) | 4,937.19 mi (7,945.63 km) |
| Olbia to Nogales (Arizona) | 6,162.87 mi (9,918.17 km) |
| Olbia to Nolensville (Tennessee) | 4,933.85 mi (7,940.27 km) |
| Olbia to Norco (California) | 6,266.88 mi (10,085.57 km) |
| Olbia to Norcross (Georgia) | 4,907.45 mi (7,897.77 km) |
| Olbia to Norfolk (Nebraska) | 5,114.87 mi (8,231.58 km) |
| Olbia to Norfolk (Virginia) | 4,424.08 mi (7,119.86 km) |
| Olbia to Normal (Illinois) | 4,841.83 mi (7,792.18 km) |
| Olbia to Norman (Oklahoma) | 5,425.44 mi (8,731.40 km) |
| Olbia to Norridge (Illinois) | 4,733.64 mi (7,618.06 km) |
| Olbia to Norristown (Pennsylvania) | 4,263.26 mi (6,861.05 km) |
| Olbia to North Adams (Massachusetts) | 4,074.73 mi (6,557.65 km) |
| Olbia to North Amityville (New York) | 4,155.67 mi (6,687.90 km) |
| Olbia to North Arlington (New Jersey) | 4,184.98 mi (6,735.07 km) |
| Olbia to North Auburn (California) | 6,102.96 mi (9,821.77 km) |
