| Karditsa to Opwijk | 1,172.74 mi (1,887.35 km) |
| Karditsa to Ostend | 1,227.83 mi (1,976.01 km) |
| Karditsa to Oud-Heverlee | 1,150.33 mi (1,851.28 km) |
| Karditsa to Oud-Turnhout | 1,159.95 mi (1,866.76 km) |
| Karditsa to Oudenaarde | 1,188.75 mi (1,913.11 km) |
| Karditsa to Oudenburg | 1,223.30 mi (1,968.70 km) |
| Karditsa to Oupeye | 1,111.29 mi (1,788.45 km) |
| Karditsa to Overijse | 1,152.94 mi (1,855.48 km) |
| Karditsa to Overpelt | 1,141.05 mi (1,836.35 km) |
| Karditsa to Paal | 1,141.57 mi (1,837.18 km) |
| Karditsa to Peer | 1,136.14 mi (1,828.44 km) |
| Karditsa to Pepinster | 1,099.25 mi (1,769.07 km) |
| Karditsa to Peruwelz | 1,176.37 mi (1,893.19 km) |
| Karditsa to Perwez | 1,136.49 mi (1,829.00 km) |
| Karditsa to Philippeville | 1,128.85 mi (1,816.70 km) |
