| Roma to Noventa Vicentina | 5,841.52 mi (9,401.02 km) |
| Roma to Novi di Modena | 5,829.92 mi (9,382.34 km) |
| Roma to Novi Ligure | 5,746.38 mi (9,247.91 km) |
| Roma to Nuoro | 5,929.18 mi (9,542.10 km) |
| Roma to Occhiobello | 5,856.97 mi (9,425.88 km) |
| Roma to Oderzo | 5,861.84 mi (9,433.72 km) |
| Roma to Oggiono | 5,733.53 mi (9,227.23 km) |
| Roma to Olbia | 5,914.93 mi (9,519.16 km) |
| Roma to Oleggio | 5,710.33 mi (9,189.89 km) |
| Roma to Olgiate Comasco | 5,717.69 mi (9,201.74 km) |
| Roma to Olgiate Olona | 5,719.55 mi (9,204.72 km) |
| Roma to Omegna | 5,691.17 mi (9,159.05 km) |
| Roma to Opera | 5,742.27 mi (9,241.29 km) |
| Roma to Oppeano | 5,826.55 mi (9,376.93 km) |
| Roma to Orbassano | 5,684.98 mi (9,149.09 km) |
