1hr 15 mins say go to Fushimi Station (亀島駅) catch Higashiyama Line to Fujigaoka Station (藤が丘駅) stop ID H21 then Linimo Line to Ai-Chikyuhaku-Kinen-Koen Station (愛・地球博記念公園駅) stop ID L10 then walk to Ghibli Park.