Op
| Location | Locality | Coordinates (links to map & photo sources) |
OS grid reference |
| Openshaw | Manchester | 53.47° N 02.18° W | SJ8897 |
| Openwoodgate | Derbyshire | 53.01° N 01.46° W | SK3647 |
| Opinan | Highland | 57.68° N 05.79° W | NG7472 |
Read more about this topic: List Of United Kingdom Locations: On-Oz