| Kampenhout to Oestrich-Winkel | 165.06 mi (265.65 km) |
| Kampenhout to Offenburg | 228.20 mi (367.24 km) |
| Kampenhout to Oftersheim | 208.97 mi (336.30 km) |
| Kampenhout to Ohrdruf | 269.56 mi (433.81 km) |
| Kampenhout to Ohringen | 250.27 mi (402.77 km) |
| Kampenhout to Olbernhau | 383.78 mi (617.64 km) |
| Kampenhout to Olching | 357.30 mi (575.02 km) |
| Kampenhout to Oldenburg | 217.69 mi (350.33 km) |
| Kampenhout to Oldenburg in Holstein | 352.51 mi (567.32 km) |
| Kampenhout to Olfen | 133.54 mi (214.92 km) |
| Kampenhout to Olpe | 142.93 mi (230.02 km) |
| Kampenhout to Olsberg | 172.81 mi (278.11 km) |
| Kampenhout to Oranienburg | 391.09 mi (629.40 km) |
| Kampenhout to Ortenberg | 201.46 mi (324.23 km) |
| Kampenhout to Oschatz | 371.75 mi (598.27 km) |
