| Carrigaline to Opwijk | 544.59 mi (876.43 km) |
| Carrigaline to Ostend | 487.45 mi (784.47 km) |
| Carrigaline to Oud-Heverlee | 567.07 mi (912.60 km) |
| Carrigaline to Oud-Turnhout | 574.61 mi (924.75 km) |
| Carrigaline to Oudenaarde | 521.30 mi (838.95 km) |
| Carrigaline to Oudenburg | 491.37 mi (790.78 km) |
| Carrigaline to Oupeye | 610.59 mi (982.65 km) |
| Carrigaline to Overijse | 562.10 mi (904.61 km) |
| Carrigaline to Overpelt | 594.20 mi (956.28 km) |
| Carrigaline to Paal | 585.91 mi (942.93 km) |
| Carrigaline to Peer | 596.75 mi (960.38 km) |
| Carrigaline to Pepinster | 620.21 mi (998.14 km) |
| Carrigaline to Peruwelz | 525.86 mi (846.29 km) |
| Carrigaline to Perwez | 576.56 mi (927.88 km) |
| Carrigaline to Philippeville | 572.75 mi (921.74 km) |
