| Isla-Cristina to Opwijk | 1,106.51 mi (1,780.76 km) |
| Isla-Cristina to Ostend | 1,091.41 mi (1,756.45 km) |
| Isla-Cristina to Oud-Heverlee | 1,111.40 mi (1,788.63 km) |
| Isla-Cristina to Oud-Turnhout | 1,146.42 mi (1,844.98 km) |
| Isla-Cristina to Oudenaarde | 1,085.47 mi (1,746.89 km) |
| Isla-Cristina to Oudenburg | 1,090.72 mi (1,755.35 km) |
| Isla-Cristina to Oupeye | 1,130.87 mi (1,819.97 km) |
| Isla-Cristina to Overijse | 1,105.16 mi (1,778.58 km) |
| Isla-Cristina to Overpelt | 1,152.21 mi (1,854.30 km) |
| Isla-Cristina to Paal | 1,136.04 mi (1,828.28 km) |
| Isla-Cristina to Peer | 1,148.61 mi (1,848.52 km) |
| Isla-Cristina to Pepinster | 1,128.21 mi (1,815.68 km) |
| Isla-Cristina to Peruwelz | 1,066.01 mi (1,715.57 km) |
| Isla-Cristina to Perwez | 1,103.78 mi (1,776.36 km) |
| Isla-Cristina to Philippeville | 1,073.44 mi (1,727.54 km) |
