| Ovar to Noventa Vicentina | 1,059.33 mi (1,704.83 km) |
| Ovar to Novi di Modena | 1,024.56 mi (1,648.87 km) |
| Ovar to Novi Ligure | 920.84 mi (1,481.96 km) |
| Ovar to Nuoro | 941.77 mi (1,515.63 km) |
| Ovar to Occhiobello | 1,057.77 mi (1,702.31 km) |
| Ovar to Oderzo | 1,111.00 mi (1,787.98 km) |
| Ovar to Oggiono | 963.03 mi (1,549.85 km) |
| Ovar to Olbia | 945.42 mi (1,521.51 km) |
| Ovar to Oleggio | 926.38 mi (1,490.87 km) |
| Ovar to Olgiate Comasco | 945.15 mi (1,521.08 km) |
| Ovar to Olgiate Olona | 938.66 mi (1,510.62 km) |
| Ovar to Omegna | 920.91 mi (1,482.06 km) |
| Ovar to Opera | 950.30 mi (1,529.35 km) |
| Ovar to Oppeano | 1,042.76 mi (1,678.17 km) |
| Ovar to Orbassano | 864.73 mi (1,391.65 km) |
