| Birchington to Octeville | 177.20 mi (285.17 km) |
| Birchington to Oignies | 96.65 mi (155.55 km) |
| Birchington to Oissel | 140.93 mi (226.80 km) |
| Birchington to Olivet | 244.19 mi (392.98 km) |
| Birchington to Ollioules | 607.41 mi (977.53 km) |
| Birchington to Olonne-sur-Mer | 362.37 mi (583.18 km) |
| Birchington to Oloron-Sainte-Marie | 572.38 mi (921.15 km) |
| Birchington to Onet Village | 488.09 mi (785.50 km) |
| Birchington to Onnaing | 121.08 mi (194.87 km) |
| Birchington to Orange | 525.81 mi (846.21 km) |
| Birchington to Orchies | 104.97 mi (168.93 km) |
| Birchington to Orleans | 241.58 mi (388.78 km) |
| Birchington to Orly | 188.21 mi (302.90 km) |
| Birchington to Ormesson-sur-Marne | 187.19 mi (301.26 km) |
| Birchington to Orsay | 189.19 mi (304.47 km) |
