| Great Sankey to Opwijk | 333.87 mi (537.31 km) |
| Great Sankey to Ostend | 278.30 mi (447.88 km) |
| Great Sankey to Oud-Heverlee | 356.58 mi (573.86 km) |
| Great Sankey to Oud-Turnhout | 351.91 mi (566.35 km) |
| Great Sankey to Oudenaarde | 317.44 mi (510.87 km) |
| Great Sankey to Oudenburg | 282.84 mi (455.19 km) |
| Great Sankey to Oupeye | 397.40 mi (639.56 km) |
| Great Sankey to Overijse | 353.57 mi (569.02 km) |
| Great Sankey to Overpelt | 371.74 mi (598.26 km) |
| Great Sankey to Paal | 368.19 mi (592.55 km) |
| Great Sankey to Peer | 375.83 mi (604.83 km) |
| Great Sankey to Pepinster | 408.99 mi (658.21 km) |
| Great Sankey to Peruwelz | 330.93 mi (532.59 km) |
| Great Sankey to Perwez | 369.93 mi (595.35 km) |
| Great Sankey to Philippeville | 377.85 mi (608.09 km) |
