| Oegstgeest to Orbetello | 742.94 mi (1,195.65 km) |
| Oegstgeest to Oria | 1,019.44 mi (1,640.64 km) |
| Oegstgeest to Oristano | 870.68 mi (1,401.23 km) |
| Oegstgeest to Orta Nova | 917.25 mi (1,476.18 km) |
| Oegstgeest to Orte | 766.34 mi (1,233.30 km) |
| Oegstgeest to Ortona | 822.08 mi (1,323.00 km) |
| Oegstgeest to Orvieto | 744.17 mi (1,197.62 km) |
| Oegstgeest to Orzinuovi | 530.28 mi (853.40 km) |
| Oegstgeest to Osimo | 731.07 mi (1,176.55 km) |
| Oegstgeest to Ospitaletto | 523.70 mi (842.81 km) |
| Oegstgeest to Ostuni | 1,004.55 mi (1,616.67 km) |
| Oegstgeest to Ottaviano | 914.45 mi (1,471.66 km) |
| Oegstgeest to Ovada | 555.14 mi (893.41 km) |
| Oegstgeest to Ozieri | 829.61 mi (1,335.12 km) |
| Oegstgeest to Paceco | 1,055.83 mi (1,699.19 km) |
