| Oraiokastro to Novi di Modena | 672.54 mi (1,082.34 km) |
| Oraiokastro to Novi Ligure | 767.80 mi (1,235.66 km) |
| Oraiokastro to Nuoro | 713.26 mi (1,147.88 km) |
| Oraiokastro to Occhiobello | 642.39 mi (1,033.82 km) |
| Oraiokastro to Oderzo | 629.08 mi (1,012.41 km) |
| Oraiokastro to Oggiono | 765.27 mi (1,231.59 km) |
| Oraiokastro to Olbia | 700.90 mi (1,127.99 km) |
| Oraiokastro to Oleggio | 792.96 mi (1,276.15 km) |
| Oraiokastro to Olgiate Comasco | 782.41 mi (1,259.16 km) |
| Oraiokastro to Olgiate Olona | 782.43 mi (1,259.21 km) |
| Oraiokastro to Omegna | 809.90 mi (1,303.41 km) |
| Oraiokastro to Opera | 761.29 mi (1,225.17 km) |
| Oraiokastro to Oppeano | 670.57 mi (1,079.18 km) |
| Oraiokastro to Orbassano | 831.29 mi (1,337.83 km) |
| Oraiokastro to Orbetello | 615.71 mi (990.89 km) |
