| Blerick to Oerlinghausen | 115.54 mi (185.94 km) |
| Blerick to Oestrich-Winkel | 124.40 mi (200.19 km) |
| Blerick to Offenburg | 215.49 mi (346.80 km) |
| Blerick to Oftersheim | 174.72 mi (281.18 km) |
| Blerick to Ohrdruf | 202.27 mi (325.52 km) |
| Blerick to Ohringen | 210.40 mi (338.61 km) |
| Blerick to Olbernhau | 315.82 mi (508.27 km) |
| Blerick to Olching | 317.66 mi (511.23 km) |
| Blerick to Oldenburg | 150.64 mi (242.44 km) |
| Blerick to Oldenburg in Holstein | 282.92 mi (455.32 km) |
| Blerick to Olfen | 58.25 mi (93.75 km) |
| Blerick to Olpe | 76.79 mi (123.59 km) |
| Blerick to Olsberg | 100.67 mi (162.02 km) |
| Blerick to Oranienburg | 315.80 mi (508.23 km) |
| Blerick to Ortenberg | 144.67 mi (232.82 km) |
