| North Adams to Noventa Vicentina | 4,007.13 mi (6,448.85 km) |
| North Adams to Novi di Modena | 3,994.08 mi (6,427.85 km) |
| North Adams to Novi Ligure | 3,908.70 mi (6,290.45 km) |
| North Adams to Nuoro | 4,089.17 mi (6,580.88 km) |
| North Adams to Occhiobello | 4,021.80 mi (6,472.47 km) |
| North Adams to Oderzo | 4,029.75 mi (6,485.26 km) |
| North Adams to Oggiono | 3,898.21 mi (6,273.56 km) |
| North Adams to Olbia | 4,074.73 mi (6,557.65 km) |
| North Adams to Oleggio | 3,874.03 mi (6,234.65 km) |
| North Adams to Olgiate Comasco | 3,882.04 mi (6,247.54 km) |
| North Adams to Olgiate Olona | 3,883.51 mi (6,249.91 km) |
| North Adams to Omegna | 3,855.25 mi (6,204.42 km) |
| North Adams to Opera | 3,906.01 mi (6,286.11 km) |
| North Adams to Oppeano | 3,991.85 mi (6,424.26 km) |
| North Adams to Orbassano | 3,846.91 mi (6,191.00 km) |
