| Santa Comba to Opwijk | 819.53 mi (1,318.91 km) |
| Santa Comba to Ostend | 788.24 mi (1,268.54 km) |
| Santa Comba to Oud-Heverlee | 831.15 mi (1,337.60 km) |
| Santa Comba to Oud-Turnhout | 861.79 mi (1,386.92 km) |
| Santa Comba to Oudenaarde | 794.45 mi (1,278.55 km) |
| Santa Comba to Oudenburg | 788.94 mi (1,269.67 km) |
| Santa Comba to Oupeye | 861.83 mi (1,386.98 km) |
| Santa Comba to Overijse | 824.40 mi (1,326.74 km) |
| Santa Comba to Overpelt | 873.04 mi (1,405.02 km) |
| Santa Comba to Paal | 857.36 mi (1,379.79 km) |
| Santa Comba to Peer | 871.06 mi (1,401.84 km) |
| Santa Comba to Pepinster | 863.12 mi (1,389.06 km) |
| Santa Comba to Peruwelz | 779.90 mi (1,255.13 km) |
| Santa Comba to Perwez | 828.29 mi (1,333.00 km) |
| Santa Comba to Philippeville | 802.39 mi (1,291.33 km) |
