博多小倉新山口広島━━━━━━━━━━━━━━━━━━━━━━━━岡山━━━━━━━━━━━━━━━━━━━━━━━新神戸━━━━新大阪 
                                      JR山陽新幹線         JR瀬戸大橋線 ┃  新岡山港─────┐  日生港 姫路港 明石港神戸港 大阪南港 
              高速バス                                                 児島 宇野港直島豊島小豆島───┘               岩屋港         
                                  ┌─神戸港・大阪南港から                    └─高松港──┘┴──神戸港から                        
                    Y40                           Y12/D12 Y10 Y09 Y08 Y00/T28 T19 T12 T11           淡路島 高速バス/バス 
                   今治                            多度津  丸亀 宇多津 坂出    高松    志度 三本松 讃岐白鳥                           
                                                        JR                                            JR鳴門線                  
                    JR                      Y16    D14                                        T07 T04/N04 N10─┐             
                                         高瀬    善通寺               ┌──┘                 板野    池谷    鳴門     徳島      
                                                          琴平線  ┌┘                                  JR          阿波おどり
                                    Y19          D15────────┘                                  T03           空港      
                              新居浜   観音寺         琴平                     高松空港                      勝瑞                     
                       東予港東港                             JR徳島線              よしの川ブルーライン                      
                U00/Y56   Y31 Y29 Y23   D22/B25  D21/B24  B22━━━ B18━━━ B16━━━ B09━━ B05 B01/T01━━ T00/M00 ┌─  
        松山空港  松山     伊予 新居浜 伊予    阿波池田          阿波加茂    貞光      穴吹      鴨島    石井    佐古         徳島      
                         西条        三島                                                                                             
                   U05                            D27                                                                            M06            
                 伊予市                         大歩危                                                                        南小松島          
                                                  JR                                                                                      
              S06/U06                           D32                                                                          M12            
伊予長浜経由 向井原                          大杉                                                       県道12号          阿南            
       ┏━━┛ JR                                                                           馬路村─────北川村                 
         S12     U10     伊野○               D37                                                                        M21          
  伊予長浜  内子                     土佐山田                                                  バス      バス    日和佐  JR     
     ┗━━┓  伊野駅前○─┐JR土讃線          ごめん・なはり線                                    高速バス               
     U18S18/U14    K19 K07 K00/D45D40/GN40GN39GN37GN35GN33GN31GN28GN27GN24 GN23GN22 GN21     M24        
   八幡浜 伊予大洲  須崎  伊野 │ 高知     後免   後免町 のいち あか  夜須  和食 球場前 安芸  唐浜 安田  田野  奈半利   牟岐        
  └─       JRしグ                ┌──────┘       おか               ○──┴────○────○─                     
──   U22   まリ    K22       └─○─┘      空港連絡バスタクシー          安芸営業所  安田役場通  田野役場通     M28/AK28        
── 卯之町   土佐久礼 路面電車│はりまや橋       高知龍馬空港                                                    海部          
             とン                ○桟橋通五丁目                                                            六本松               
      JR U27/G46 ━┓ K26/TK26                              [香川県]                                                        AK29        
    北宇和島      窪川                       [愛媛県]          [徳島県]                                               宍喰        
─┐                                              [高知県]                                               バス               
   U28/G47   ┗━ G27/TK27                                                                                              AK30            
       宇和島           若井                       [JR四国] [駅ナンバリング] [駅レンタカー四国]                             甲浦            
     バス└─TK47━TK40━┛                ごな線:[土佐くろしお鉄道] [ゴトゴトWeb] [時刻表] [運賃表] [列車ココ!]      室戸岬             
    宿毛湾港 宿毛  中村 中村・宿毛線               [ジョルダン] [アクセスこうち] [taxideco] [高知県ハイヤー協会]       └─○─┘             
    沖の島       足摺岬                            [巡るめく四国] [よさこいネット] [中芸観光協議会] [奈半利町]