| Kouvola to Opwijk | 1,098.82 mi (1,768.38 km) |
| Kouvola to Ostend | 1,123.77 mi (1,808.54 km) |
| Kouvola to Oud-Heverlee | 1,091.38 mi (1,756.41 km) |
| Kouvola to Oud-Turnhout | 1,057.49 mi (1,701.87 km) |
| Kouvola to Oudenaarde | 1,122.05 mi (1,805.76 km) |
| Kouvola to Oudenburg | 1,123.43 mi (1,807.98 km) |
| Kouvola to Oupeye | 1,069.54 mi (1,721.26 km) |
| Kouvola to Overijse | 1,097.85 mi (1,766.82 km) |
| Kouvola to Overpelt | 1,049.86 mi (1,689.58 km) |
| Kouvola to Paal | 1,066.04 mi (1,715.63 km) |
| Kouvola to Peer | 1,053.07 mi (1,694.75 km) |
| Kouvola to Pepinster | 1,072.00 mi (1,725.21 km) |
| Kouvola to Peruwelz | 1,139.47 mi (1,833.79 km) |
| Kouvola to Perwez | 1,097.82 mi (1,766.78 km) |
| Kouvola to Philippeville | 1,127.57 mi (1,814.64 km) |
