| Valkenswaard to Orbetello | 672.27 mi (1,081.91 km) |
| Valkenswaard to Oria | 948.13 mi (1,525.87 km) |
| Valkenswaard to Oristano | 804.81 mi (1,295.21 km) |
| Valkenswaard to Orta Nova | 845.62 mi (1,360.89 km) |
| Valkenswaard to Orte | 694.93 mi (1,118.39 km) |
| Valkenswaard to Ortona | 750.38 mi (1,207.62 km) |
| Valkenswaard to Orvieto | 672.81 mi (1,082.79 km) |
| Valkenswaard to Orzinuovi | 459.17 mi (738.96 km) |
| Valkenswaard to Osimo | 659.38 mi (1,061.16 km) |
| Valkenswaard to Ospitaletto | 452.40 mi (728.07 km) |
| Valkenswaard to Ostuni | 933.29 mi (1,501.99 km) |
| Valkenswaard to Ottaviano | 842.78 mi (1,356.32 km) |
| Valkenswaard to Ovada | 486.30 mi (782.62 km) |
| Valkenswaard to Ozieri | 762.70 mi (1,227.45 km) |
| Valkenswaard to Paceco | 985.83 mi (1,586.53 km) |
