| Caernarfon to Imatra | 1,338.11 mi (2,153.49 km) |
| Caernarfon to Jakobstad | 1,202.35 mi (1,935.00 km) |
| Caernarfon to Jamsa | 1,233.26 mi (1,984.73 km) |
| Caernarfon to Janakkala | 1,199.56 mi (1,930.50 km) |
| Caernarfon to Jarvenpaa | 1,207.48 mi (1,943.25 km) |
| Caernarfon to Joensuu | 1,388.12 mi (2,233.96 km) |
| Caernarfon to Joutseno | 1,328.70 mi (2,138.34 km) |
| Caernarfon to Jyvaskyla | 1,257.77 mi (2,024.19 km) |
| Caernarfon to Jyvaskylan Maalaiskunta | 1,258.68 mi (2,025.65 km) |
| Caernarfon to Kaarina | 1,115.87 mi (1,795.81 km) |
| Caernarfon to Kajaani | 1,358.19 mi (2,185.80 km) |
| Caernarfon to Kalajoki | 1,254.03 mi (2,018.16 km) |
| Caernarfon to Kangasala | 1,190.36 mi (1,915.71 km) |
| Caernarfon to Kankaanpaa | 1,145.31 mi (1,843.21 km) |
| Caernarfon to Karhula | 1,269.65 mi (2,043.31 km) |
