| Birchington to Opwijk | 127.86 mi (205.77 km) |
| Birchington to Ostend | 70.52 mi (113.49 km) |
| Birchington to Oud-Heverlee | 150.59 mi (242.35 km) |
| Birchington to Oud-Turnhout | 158.78 mi (255.53 km) |
| Birchington to Oudenaarde | 105.99 mi (170.58 km) |
| Birchington to Oudenburg | 74.47 mi (119.84 km) |
| Birchington to Oupeye | 194.00 mi (312.22 km) |
| Birchington to Overijse | 146.00 mi (234.96 km) |
| Birchington to Overpelt | 177.96 mi (286.40 km) |
| Birchington to Paal | 169.02 mi (272.01 km) |
| Birchington to Peer | 180.16 mi (289.94 km) |
| Birchington to Pepinster | 204.09 mi (328.44 km) |
| Birchington to Peruwelz | 115.62 mi (186.07 km) |
| Birchington to Perwez | 161.22 mi (259.46 km) |
| Birchington to Philippeville | 163.39 mi (262.95 km) |
