| Torre del Greco to Oegstgeest | 916.42 mi (1,474.83 km) |
| Torre del Greco to Oirschot | 857.37 mi (1,379.81 km) |
| Torre del Greco to Oisterwijk | 864.55 mi (1,391.36 km) |
| Torre del Greco to Oldebroek | 899.72 mi (1,447.96 km) |
| Torre del Greco to Oldenzaal | 870.96 mi (1,401.68 km) |
| Torre del Greco to Ommen | 893.25 mi (1,437.54 km) |
| Torre del Greco to Oosterend | 929.82 mi (1,496.41 km) |
| Torre del Greco to Oosterhout | 876.27 mi (1,410.23 km) |
| Torre del Greco to Oosterwolde | 924.65 mi (1,488.08 km) |
| Torre del Greco to Oostzaan | 920.99 mi (1,482.19 km) |
| Torre del Greco to Opmeer | 935.04 mi (1,504.79 km) |
| Torre del Greco to Oss | 867.71 mi (1,396.45 km) |
| Torre del Greco to Oud-Beijerland | 897.37 mi (1,444.17 km) |
| Torre del Greco to Oudenbosch | 881.52 mi (1,418.67 km) |
| Torre del Greco to Oudewater | 897.34 mi (1,444.13 km) |
