| Burnham-on-Sea to Octeville | 126.16 mi (203.03 km) |
| Burnham-on-Sea to Oignies | 266.41 mi (428.75 km) |
| Burnham-on-Sea to Oissel | 222.82 mi (358.59 km) |
| Burnham-on-Sea to Olivet | 319.96 mi (514.93 km) |
| Burnham-on-Sea to Ollioules | 695.64 mi (1,119.52 km) |
| Burnham-on-Sea to Olonne-sur-Mer | 329.53 mi (530.33 km) |
| Burnham-on-Sea to Oloron-Sainte-Marie | 566.84 mi (912.24 km) |
| Burnham-on-Sea to Onet Village | 540.62 mi (870.05 km) |
| Burnham-on-Sea to Onnaing | 293.59 mi (472.49 km) |
| Burnham-on-Sea to Orange | 609.46 mi (980.83 km) |
| Burnham-on-Sea to Orchies | 277.04 mi (445.85 km) |
| Burnham-on-Sea to Orleans | 318.23 mi (512.14 km) |
| Burnham-on-Sea to Orly | 294.72 mi (474.31 km) |
| Burnham-on-Sea to Ormesson-sur-Marne | 298.25 mi (479.98 km) |
| Burnham-on-Sea to Orsay | 289.37 mi (465.70 km) |
