| Oosterhout to Oerlinghausen | 164.28 mi (264.38 km) |
| Oosterhout to Oestrich-Winkel | 178.05 mi (286.54 km) |
| Oosterhout to Offenburg | 258.39 mi (415.83 km) |
| Oosterhout to Oftersheim | 226.85 mi (365.08 km) |
| Oosterhout to Ohrdruf | 260.28 mi (418.88 km) |
| Oosterhout to Ohringen | 265.00 mi (426.47 km) |
| Oosterhout to Olbernhau | 373.26 mi (600.70 km) |
| Oosterhout to Olching | 372.81 mi (599.99 km) |
| Oosterhout to Oldenburg | 175.43 mi (282.33 km) |
| Oosterhout to Oldenburg in Holstein | 310.59 mi (499.85 km) |
| Oosterhout to Olfen | 108.35 mi (174.37 km) |
| Oosterhout to Olpe | 135.58 mi (218.19 km) |
| Oosterhout to Olsberg | 157.28 mi (253.12 km) |
| Oosterhout to Oranienburg | 362.87 mi (583.98 km) |
| Oosterhout to Ortenberg | 203.03 mi (326.74 km) |
