| Oleiros to Noventa Vicentina | 988.07 mi (1,590.14 km) |
| Oleiros to Novi di Modena | 957.12 mi (1,540.33 km) |
| Oleiros to Novi Ligure | 853.44 mi (1,373.47 km) |
| Oleiros to Nuoro | 930.43 mi (1,497.38 km) |
| Oleiros to Occhiobello | 990.39 mi (1,593.87 km) |
| Oleiros to Oderzo | 1,035.31 mi (1,666.17 km) |
| Oleiros to Oggiono | 884.15 mi (1,422.90 km) |
| Oleiros to Olbia | 926.29 mi (1,490.73 km) |
| Oleiros to Oleggio | 848.65 mi (1,365.76 km) |
| Oleiros to Olgiate Comasco | 865.75 mi (1,393.28 km) |
| Oleiros to Olgiate Olona | 860.87 mi (1,385.44 km) |
| Oleiros to Omegna | 839.56 mi (1,351.14 km) |
| Oleiros to Opera | 875.84 mi (1,409.53 km) |
| Oleiros to Oppeano | 971.08 mi (1,562.80 km) |
| Oleiros to Orbassano | 792.83 mi (1,275.94 km) |
