| Velletri to Noventa Vicentina | 257.61 mi (414.59 km) |
| Velletri to Novi di Modena | 242.20 mi (389.78 km) |
| Velletri to Novi Ligure | 293.49 mi (472.33 km) |
| Velletri to Nuoro | 202.64 mi (326.12 km) |
| Velletri to Occhiobello | 232.87 mi (374.76 km) |
| Velletri to Oderzo | 284.63 mi (458.06 km) |
| Velletri to Oggiono | 332.02 mi (534.33 km) |
| Velletri to Olbia | 178.14 mi (286.69 km) |
| Velletri to Oleggio | 341.84 mi (550.14 km) |
| Velletri to Olgiate Comasco | 342.27 mi (550.84 km) |
| Velletri to Olgiate Olona | 336.25 mi (541.14 km) |
| Velletri to Omegna | 363.67 mi (585.26 km) |
| Velletri to Opera | 312.76 mi (503.35 km) |
| Velletri to Oppeano | 263.52 mi (424.10 km) |
| Velletri to Orbassano | 350.27 mi (563.71 km) |
