| Roosendaal to Oerlinghausen | 182.81 mi (294.21 km) |
| Roosendaal to Oestrich-Winkel | 187.82 mi (302.27 km) |
| Roosendaal to Offenburg | 262.28 mi (422.10 km) |
| Roosendaal to Oftersheim | 235.34 mi (378.75 km) |
| Roosendaal to Ohrdruf | 276.36 mi (444.76 km) |
| Roosendaal to Ohringen | 274.72 mi (442.12 km) |
| Roosendaal to Olbernhau | 389.80 mi (627.32 km) |
| Roosendaal to Olching | 382.57 mi (615.69 km) |
| Roosendaal to Oldenburg | 193.95 mi (312.13 km) |
| Roosendaal to Oldenburg in Holstein | 329.00 mi (529.48 km) |
| Roosendaal to Olfen | 126.45 mi (203.50 km) |
| Roosendaal to Olpe | 150.52 mi (242.23 km) |
| Roosendaal to Olsberg | 174.14 mi (280.25 km) |
| Roosendaal to Oranienburg | 381.75 mi (614.36 km) |
| Roosendaal to Ortenberg | 216.32 mi (348.13 km) |
