CranwellCranwellLeasinghamTemple BruerSleaford CastleSleafordAncasterRuskingtonAncasterWelbourn Castle HillCaythorpeNavenbyHaverholme PrioryBarkston Heath Royal Air Force BaseHeydour Castle HillsHough on the Hill Castle HillSomerton CastleBurton PedwardineMetheringhamHeckingtonHoughamHolme SpinneyBillinghayBassinghamRAF WaddingtonWaddingtonGreat GonerbyFolkingham CastleClaypoleGranthamBillingboroughBranstonBracebridge HeathBarrowbyLong BenningtonAslackby CastleTattershall CastleSincil BankThorngateConingsby Royal Air Force Base