| Poperinge to Oestrich-Winkel | 239.49 mi (385.43 km) |
| Poperinge to Offenburg | 285.32 mi (459.19 km) |
| Poperinge to Oftersheim | 279.03 mi (449.05 km) |
| Poperinge to Ohrdruf | 349.19 mi (561.97 km) |
| Poperinge to Ohringen | 321.55 mi (517.48 km) |
| Poperinge to Olbernhau | 463.40 mi (745.77 km) |
| Poperinge to Olching | 426.37 mi (686.18 km) |
| Poperinge to Oldenburg | 281.88 mi (453.64 km) |
| Poperinge to Oldenburg in Holstein | 416.71 mi (670.63 km) |
| Poperinge to Olfen | 209.86 mi (337.74 km) |
| Poperinge to Olpe | 222.64 mi (358.30 km) |
| Poperinge to Olsberg | 252.07 mi (405.66 km) |
| Poperinge to Oranienburg | 467.38 mi (752.18 km) |
| Poperinge to Ortenberg | 279.61 mi (449.98 km) |
| Poperinge to Oschatz | 451.33 mi (726.34 km) |
