| Cities | Distance |
|---|---|
| Bilthoven to Orbetello | 725.74 mi (1,167.97 km) |
| Bilthoven to Oria | 995.86 mi (1,602.69 km) |
| Bilthoven to Oristano | 859.79 mi (1,383.70 km) |
| Bilthoven to Orta Nova | 894.91 mi (1,440.22 km) |
| Bilthoven to Orte | 747.24 mi (1,202.56 km) |
| Bilthoven to Ortona | 800.32 mi (1,287.99 km) |
| Bilthoven to Orvieto | 725.24 mi (1,167.16 km) |
| Bilthoven to Orzinuovi | 512.19 mi (824.28 km) |
| Bilthoven to Osimo | 709.33 mi (1,141.55 km) |
| Bilthoven to Ospitaletto | 505.08 mi (812.85 km) |
| Bilthoven to Ostuni | 980.83 mi (1,578.50 km) |
| Bilthoven to Ottaviano | 893.93 mi (1,438.65 km) |
| Bilthoven to Ovada | 540.93 mi (870.54 km) |
| Bilthoven to Ozieri | 817.65 mi (1,315.88 km) |
| Bilthoven to Paceco | 1,039.80 mi (1,673.40 km) |