| Waddinxveen to Orbetello | 731.18 mi (1,176.72 km) |
| Waddinxveen to Oria | 1,007.40 mi (1,621.26 km) |
| Waddinxveen to Oristano | 859.83 mi (1,383.76 km) |
| Waddinxveen to Orta Nova | 905.20 mi (1,456.78 km) |
| Waddinxveen to Orte | 754.41 mi (1,214.11 km) |
| Waddinxveen to Ortona | 810.03 mi (1,303.62 km) |
| Waddinxveen to Orvieto | 732.26 mi (1,178.45 km) |
| Waddinxveen to Orzinuovi | 518.42 mi (834.32 km) |
| Waddinxveen to Osimo | 719.02 mi (1,157.16 km) |
| Waddinxveen to Ospitaletto | 511.80 mi (823.66 km) |
| Waddinxveen to Ostuni | 992.51 mi (1,597.29 km) |
| Waddinxveen to Ottaviano | 902.44 mi (1,452.34 km) |
| Waddinxveen to Ovada | 543.72 mi (875.03 km) |
| Waddinxveen to Ozieri | 818.56 mi (1,317.35 km) |
| Waddinxveen to Paceco | 1,044.21 mi (1,680.50 km) |
