| class="note" | | class="note" | |- class="vcard" | class="fn org" | Obsdale Park | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Obthorpe Lodge | class="adr" | Lincolnshire | class="note" | | class="note" | |} Oc |- class="vcard" | class="fn org" | Occlestone Green | class="adr" | Cheshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Occold | class="adr" | Suffolk | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ochr-y-foel | class="adr" | Sir Ddinbych (Denbighshire) | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ochtermuthill | class="adr" | Perth and Kinross | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ochtertyre | class="adr" | Perth and Kinross | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockbrook | class="adr" | Derbyshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ocker Hill | class="adr" | Sandwell | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockeridge | class="adr" | Worcestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockford Ridge | class="adr" | Surrey | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockham | class="adr" | Surrey | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockle | class="adr" | Highland | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ockley | class="adr" | Surrey | class="note" | | class="note" | |- class="vcard" | class="fn org" | Ocle Pychard | class="adr" | Herefordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Octon | class="adr" | East Riding of Yorkshire | class="note" | | class="note" | |} Od |- class="vcard" | class="fn org" | Odam Barton | class="adr" | Devon | class="note" | | class="note" | |- class="vcard" | class="fn org" | Odcombe | class="adr" | Somerset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Odd Down | class="adr" | Bath and North East Somerset | class="note" | | class="note" | |- class="vcard" | class="fn org" | Oddingley | class="adr" | Worcestershire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Oddington | class="adr" | Oxfordshire | class="note" | | class="note" | |- class="vcard" | class="fn org" | Odell | class="adr" | Bedfordshire |