| Kalmthout to Ostend | 67.72 mi (108.98 km) |
| Kalmthout to Oud-Heverlee | 38.98 mi (62.73 km) |
| Kalmthout to Oud-Turnhout | 22.76 mi (36.63 km) |
| Kalmthout to Oudenaarde | 52.64 mi (84.71 km) |
| Kalmthout to Oudenburg | 64.87 mi (104.40 km) |
| Kalmthout to Oupeye | 69.18 mi (111.34 km) |
| Kalmthout to Overijse | 41.56 mi (66.88 km) |
| Kalmthout to Overpelt | 42.62 mi (68.60 km) |
| Kalmthout to Paal | 38.72 mi (62.32 km) |
| Kalmthout to Peer | 46.05 mi (74.11 km) |
| Kalmthout to Pepinster | 81.44 mi (131.06 km) |
| Kalmthout to Peruwelz | 71.16 mi (114.52 km) |
| Kalmthout to Perwez | 54.60 mi (87.87 km) |
| Kalmthout to Philippeville | 81.84 mi (131.71 km) |
| Kalmthout to Plombieres | 78.52 mi (126.37 km) |
