| Wezembeek-Oppem to Oestrich-Winkel | 164.48 mi (264.70 km) |
| Wezembeek-Oppem to Offenburg | 224.29 mi (360.96 km) |
| Wezembeek-Oppem to Oftersheim | 207.28 mi (333.59 km) |
| Wezembeek-Oppem to Ohrdruf | 271.92 mi (437.61 km) |
| Wezembeek-Oppem to Ohringen | 248.95 mi (400.65 km) |
| Wezembeek-Oppem to Olbernhau | 386.10 mi (621.36 km) |
| Wezembeek-Oppem to Olching | 355.61 mi (572.29 km) |
| Wezembeek-Oppem to Oldenburg | 224.57 mi (361.41 km) |
| Wezembeek-Oppem to Oldenburg in Holstein | 359.25 mi (578.16 km) |
| Wezembeek-Oppem to Olfen | 138.76 mi (223.31 km) |
| Wezembeek-Oppem to Olpe | 145.71 mi (234.50 km) |
| Wezembeek-Oppem to Olsberg | 176.48 mi (284.02 km) |
| Wezembeek-Oppem to Oranienburg | 395.95 mi (637.21 km) |
| Wezembeek-Oppem to Ortenberg | 202.47 mi (325.84 km) |
| Wezembeek-Oppem to Oschatz | 374.89 mi (603.33 km) |
