| Norridge to Noventa Vicentina | 4,632.01 mi (7,454.49 km) |
| Norridge to Novi di Modena | 4,623.64 mi (7,441.03 km) |
| Norridge to Novi Ligure | 4,545.76 mi (7,315.69 km) |
| Norridge to Nuoro | 4,752.02 mi (7,647.64 km) |
| Norridge to Occhiobello | 4,648.99 mi (7,481.83 km) |
| Norridge to Oderzo | 4,648.07 mi (7,480.35 km) |
| Norridge to Oggiono | 4,526.52 mi (7,284.73 km) |
| Norridge to Olbia | 4,733.64 mi (7,618.06 km) |
| Norridge to Oleggio | 4,505.81 mi (7,251.41 km) |
| Norridge to Olgiate Comasco | 4,511.53 mi (7,260.61 km) |
| Norridge to Olgiate Olona | 4,514.30 mi (7,265.06 km) |
| Norridge to Omegna | 4,485.78 mi (7,219.17 km) |
| Norridge to Opera | 4,537.50 mi (7,302.39 km) |
| Norridge to Oppeano | 4,617.74 mi (7,431.53 km) |
| Norridge to Orbassano | 4,486.05 mi (7,219.61 km) |
