| Oppeano to Noventa Vicentina | 17.05 mi (27.44 km) |
| Oppeano to Novi di Modena | 31.29 mi (50.35 km) |
| Oppeano to Novi Ligure | 122.89 mi (197.78 km) |
| Oppeano to Nuoro | 356.83 mi (574.26 km) |
| Oppeano to Occhiobello | 32.56 mi (52.40 km) |
| Oppeano to Oderzo | 71.55 mi (115.15 km) |
| Oppeano to Oggiono | 94.79 mi (152.55 km) |
| Oppeano to Olbia | 314.51 mi (506.16 km) |
| Oppeano to Oleggio | 125.32 mi (201.69 km) |
| Oppeano to Olgiate Comasco | 112.34 mi (180.79 km) |
| Oppeano to Olgiate Olona | 113.80 mi (183.14 km) |
| Oppeano to Omegna | 140.05 mi (225.39 km) |
| Oppeano to Opera | 95.68 mi (153.98 km) |
| Oppeano to Orbassano | 178.80 mi (287.76 km) |
| Oppeano to Orbetello | 197.65 mi (318.09 km) |
