| Caycuma to Opwijk | 1,475.81 mi (2,375.08 km) |
| Caycuma to Ostend | 1,533.42 mi (2,467.81 km) |
| Caycuma to Oud-Heverlee | 1,453.03 mi (2,338.43 km) |
| Caycuma to Oud-Turnhout | 1,449.45 mi (2,332.67 km) |
| Caycuma to Oudenaarde | 1,498.24 mi (2,411.18 km) |
| Caycuma to Oudenburg | 1,529.30 mi (2,461.17 km) |
| Caycuma to Oupeye | 1,409.66 mi (2,268.63 km) |
| Caycuma to Overijse | 1,457.70 mi (2,345.94 km) |
| Caycuma to Overpelt | 1,429.50 mi (2,300.56 km) |
| Caycuma to Paal | 1,435.93 mi (2,310.90 km) |
| Caycuma to Peer | 1,426.22 mi (2,295.28 km) |
| Caycuma to Pepinster | 1,399.56 mi (2,252.38 km) |
| Caycuma to Peruwelz | 1,493.29 mi (2,403.21 km) |
| Caycuma to Perwez | 1,442.88 mi (2,322.08 km) |
| Caycuma to Philippeville | 1,446.65 mi (2,328.16 km) |
