| Petroupoli to Novi di Modena | 812.49 mi (1,307.57 km) |
| Petroupoli to Novi Ligure | 899.13 mi (1,447.01 km) |
| Petroupoli to Nuoro | 783.71 mi (1,261.26 km) |
| Petroupoli to Occhiobello | 785.34 mi (1,263.89 km) |
| Petroupoli to Oderzo | 784.52 mi (1,262.56 km) |
| Petroupoli to Oggiono | 908.75 mi (1,462.50 km) |
| Petroupoli to Olbia | 781.24 mi (1,257.29 km) |
| Petroupoli to Oleggio | 932.43 mi (1,500.60 km) |
| Petroupoli to Olgiate Comasco | 924.65 mi (1,488.08 km) |
| Petroupoli to Olgiate Olona | 922.99 mi (1,485.41 km) |
| Petroupoli to Omegna | 951.30 mi (1,530.97 km) |
| Petroupoli to Opera | 900.45 mi (1,449.14 km) |
| Petroupoli to Oppeano | 815.92 mi (1,313.10 km) |
| Petroupoli to Orbassano | 961.74 mi (1,547.78 km) |
| Petroupoli to Orbetello | 723.85 mi (1,164.92 km) |
