| Riorges to Novi di Modena | 341.66 mi (549.85 km) |
| Riorges to Novi Ligure | 246.64 mi (396.93 km) |
| Riorges to Nuoro | 476.86 mi (767.44 km) |
| Riorges to Occhiobello | 373.26 mi (600.71 km) |
| Riorges to Oderzo | 406.53 mi (654.25 km) |
| Riorges to Oggiono | 255.81 mi (411.69 km) |
| Riorges to Olbia | 447.38 mi (719.99 km) |
| Riorges to Oleggio | 223.22 mi (359.23 km) |
| Riorges to Olgiate Comasco | 237.44 mi (382.13 km) |
| Riorges to Olgiate Olona | 234.78 mi (377.85 km) |
| Riorges to Omegna | 210.00 mi (337.96 km) |
| Riorges to Opera | 253.79 mi (408.44 km) |
| Riorges to Oppeano | 348.53 mi (560.90 km) |
| Riorges to Orbassano | 183.72 mi (295.68 km) |
| Riorges to Orbetello | 433.33 mi (697.38 km) |
