| Kaltenkirchen to Opwijk | 314.01 mi (505.35 km) |
| Kaltenkirchen to Ostend | 346.45 mi (557.56 km) |
| Kaltenkirchen to Oud-Heverlee | 304.96 mi (490.79 km) |
| Kaltenkirchen to Oud-Turnhout | 272.02 mi (437.77 km) |
| Kaltenkirchen to Oudenaarde | 338.53 mi (544.80 km) |
| Kaltenkirchen to Oudenburg | 345.24 mi (555.61 km) |
| Kaltenkirchen to Oupeye | 282.96 mi (455.38 km) |
| Kaltenkirchen to Overijse | 311.53 mi (501.35 km) |
| Kaltenkirchen to Overpelt | 263.19 mi (423.57 km) |
| Kaltenkirchen to Paal | 279.35 mi (449.57 km) |
| Kaltenkirchen to Peer | 266.24 mi (428.47 km) |
| Kaltenkirchen to Pepinster | 286.13 mi (460.47 km) |
| Kaltenkirchen to Peruwelz | 354.32 mi (570.23 km) |
| Kaltenkirchen to Perwez | 310.93 mi (500.39 km) |
| Kaltenkirchen to Philippeville | 340.63 mi (548.20 km) |
