| Acala del Rio to Opwijk | 1,054.15 mi (1,696.49 km) |
| Acala del Rio to Ostend | 1,042.14 mi (1,677.16 km) |
| Acala del Rio to Oud-Heverlee | 1,057.84 mi (1,702.43 km) |
| Acala del Rio to Oud-Turnhout | 1,093.27 mi (1,759.44 km) |
| Acala del Rio to Oudenaarde | 1,034.03 mi (1,664.11 km) |
| Acala del Rio to Oudenburg | 1,041.21 mi (1,675.66 km) |
| Acala del Rio to Oupeye | 1,075.30 mi (1,730.53 km) |
| Acala del Rio to Overijse | 1,051.74 mi (1,692.62 km) |
| Acala del Rio to Overpelt | 1,098.09 mi (1,767.20 km) |
| Acala del Rio to Paal | 1,081.98 mi (1,741.28 km) |
| Acala del Rio to Peer | 1,094.25 mi (1,761.03 km) |
| Acala del Rio to Pepinster | 1,072.04 mi (1,725.29 km) |
| Acala del Rio to Peruwelz | 1,013.91 mi (1,631.73 km) |
| Acala del Rio to Perwez | 1,049.50 mi (1,689.01 km) |
| Acala del Rio to Philippeville | 1,018.76 mi (1,639.53 km) |
