| Chelsea to Opwijk | 3,456.54 mi (5,562.76 km) |
| Chelsea to Ostend | 3,398.92 mi (5,470.03 km) |
| Chelsea to Oud-Heverlee | 3,479.52 mi (5,599.74 km) |
| Chelsea to Oud-Turnhout | 3,480.01 mi (5,600.54 km) |
| Chelsea to Oudenaarde | 3,435.75 mi (5,529.31 km) |
| Chelsea to Oudenburg | 3,403.21 mi (5,476.94 km) |
| Chelsea to Oupeye | 3,522.31 mi (5,668.61 km) |
| Chelsea to Overijse | 3,475.38 mi (5,593.08 km) |
| Chelsea to Overpelt | 3,499.98 mi (5,632.67 km) |
| Chelsea to Paal | 3,494.72 mi (5,624.20 km) |
| Chelsea to Peer | 3,503.62 mi (5,638.53 km) |
| Chelsea to Pepinster | 3,533.08 mi (5,685.94 km) |
| Chelsea to Peruwelz | 3,443.39 mi (5,541.60 km) |
| Chelsea to Perwez | 3,490.91 mi (5,618.07 km) |
| Chelsea to Philippeville | 3,491.07 mi (5,618.33 km) |
