Sleaford CastleSleafordLeasinghamCranwellRuskingtonHaverholme PrioryCranwellBurton PedwardineHeckingtonHeydour Castle HillsAncasterAncasterBarkston Heath Royal Air Force BaseTemple BruerFolkingham CastleBillingboroughCaythorpeWelbourn Castle HillBillinghayHough on the Hill Castle HillNavenbyAslackby CastleMetheringhamSomerton CastleDoningtonGranthamSwinesheadGreat GonerbySwinesheadHoughamTattershall CastleSwineshead AbbeyConingsby Royal Air Force BaseHolme SpinneyConingsbyRAF WaddingtonWaddingtonBarrowbyBassinghamCorby Glen