| San Cataldo to Opwijk | 1,048.27 mi (1,687.03 km) |
| San Cataldo to Ostend | 1,092.86 mi (1,758.78 km) |
| San Cataldo to Oud-Heverlee | 1,029.64 mi (1,657.04 km) |
| San Cataldo to Oud-Turnhout | 1,052.14 mi (1,693.26 km) |
| San Cataldo to Oudenaarde | 1,054.89 mi (1,697.69 km) |
| San Cataldo to Oudenburg | 1,088.47 mi (1,751.73 km) |
| San Cataldo to Oupeye | 1,001.58 mi (1,611.89 km) |
| San Cataldo to Overijse | 1,029.58 mi (1,656.95 km) |
| San Cataldo to Overpelt | 1,037.32 mi (1,669.41 km) |
| San Cataldo to Paal | 1,031.37 mi (1,659.82 km) |
| San Cataldo to Peer | 1,031.43 mi (1,659.93 km) |
| San Cataldo to Pepinster | 989.40 mi (1,592.29 km) |
| San Cataldo to Peruwelz | 1,036.04 mi (1,667.34 km) |
| San Cataldo to Perwez | 1,013.87 mi (1,631.67 km) |
| San Cataldo to Philippeville | 994.65 mi (1,600.74 km) |
