| Koropi to Opwijk | 1,318.45 mi (2,121.84 km) |
| Koropi to Ostend | 1,373.71 mi (2,210.77 km) |
| Koropi to Oud-Heverlee | 1,295.98 mi (2,085.67 km) |
| Koropi to Oud-Turnhout | 1,305.12 mi (2,100.39 km) |
| Koropi to Oudenaarde | 1,334.67 mi (2,147.94 km) |
| Koropi to Oudenburg | 1,369.18 mi (2,203.48 km) |
| Koropi to Oupeye | 1,256.69 mi (2,022.45 km) |
| Koropi to Overijse | 1,298.66 mi (2,089.99 km) |
| Koropi to Overpelt | 1,286.12 mi (2,069.82 km) |
| Koropi to Paal | 1,286.89 mi (2,071.05 km) |
| Koropi to Peer | 1,281.27 mi (2,062.00 km) |
| Koropi to Pepinster | 1,244.69 mi (2,003.13 km) |
| Koropi to Peruwelz | 1,322.45 mi (2,128.28 km) |
| Koropi to Perwez | 1,282.23 mi (2,063.54 km) |
| Koropi to Philippeville | 1,274.88 mi (2,051.72 km) |
