| Caerfyrddin to Imatra | 1,395.43 mi (2,245.73 km) |
| Caerfyrddin to Jakobstad | 1,270.61 mi (2,044.85 km) |
| Caerfyrddin to Jamsa | 1,294.39 mi (2,083.11 km) |
| Caerfyrddin to Janakkala | 1,257.57 mi (2,023.86 km) |
| Caerfyrddin to Jarvenpaa | 1,263.63 mi (2,033.61 km) |
| Caerfyrddin to Joensuu | 1,449.72 mi (2,333.10 km) |
| Caerfyrddin to Joutseno | 1,385.90 mi (2,230.39 km) |
| Caerfyrddin to Jyvaskyla | 1,319.88 mi (2,124.15 km) |
| Caerfyrddin to Jyvaskylan Maalaiskunta | 1,320.95 mi (2,125.87 km) |
| Caerfyrddin to Kaarina | 1,173.11 mi (1,887.95 km) |
| Caerfyrddin to Kajaani | 1,425.38 mi (2,293.93 km) |
| Caerfyrddin to Kalajoki | 1,323.23 mi (2,129.53 km) |
| Caerfyrddin to Kangasala | 1,250.67 mi (2,012.76 km) |
| Caerfyrddin to Kankaanpaa | 1,207.79 mi (1,943.75 km) |
| Caerfyrddin to Karhula | 1,325.22 mi (2,132.73 km) |
