| Cassano al Ionio to Opwijk | 968.87 mi (1,559.24 km) |
| Cassano al Ionio to Ostend | 1,019.41 mi (1,640.58 km) |
| Cassano al Ionio to Oud-Heverlee | 948.04 mi (1,525.72 km) |
| Cassano al Ionio to Oud-Turnhout | 964.90 mi (1,552.86 km) |
| Cassano al Ionio to Oudenaarde | 980.19 mi (1,577.46 km) |
| Cassano al Ionio to Oudenburg | 1,014.87 mi (1,633.28 km) |
| Cassano al Ionio to Oupeye | 914.16 mi (1,471.19 km) |
| Cassano al Ionio to Overijse | 949.26 mi (1,527.69 km) |
| Cassano al Ionio to Overpelt | 947.87 mi (1,525.45 km) |
| Cassano al Ionio to Paal | 944.82 mi (1,520.54 km) |
| Cassano al Ionio to Peer | 942.31 mi (1,516.51 km) |
| Cassano al Ionio to Pepinster | 901.76 mi (1,451.25 km) |
| Cassano al Ionio to Peruwelz | 964.17 mi (1,551.68 km) |
| Cassano al Ionio to Perwez | 932.87 mi (1,501.31 km) |
| Cassano al Ionio to Philippeville | 918.89 mi (1,478.81 km) |
