| Petrila to Noventa Vicentina | 576.60 mi (927.95 km) |
| Petrila to Novi di Modena | 610.39 mi (982.33 km) |
| Petrila to Novi Ligure | 714.28 mi (1,149.52 km) |
| Petrila to Nuoro | 794.99 mi (1,279.41 km) |
| Petrila to Occhiobello | 577.15 mi (928.84 km) |
| Petrila to Oderzo | 528.18 mi (850.02 km) |
| Petrila to Oggiono | 679.48 mi (1,093.52 km) |
| Petrila to Olbia | 766.72 mi (1,233.91 km) |
| Petrila to Oleggio | 714.83 mi (1,150.41 km) |
| Petrila to Olgiate Comasco | 697.92 mi (1,123.20 km) |
| Petrila to Olgiate Olona | 702.61 mi (1,130.75 km) |
| Petrila to Omegna | 724.47 mi (1,165.92 km) |
| Petrila to Opera | 687.98 mi (1,107.19 km) |
| Petrila to Oppeano | 593.43 mi (955.04 km) |
| Petrila to Orbassano | 772.23 mi (1,242.79 km) |
