| Llantwit Major to Imatra | 1,388.56 mi (2,234.66 km) |
| Llantwit Major to Jakobstad | 1,272.07 mi (2,047.20 km) |
| Llantwit Major to Jamsa | 1,290.35 mi (2,076.62 km) |
| Llantwit Major to Janakkala | 1,251.40 mi (2,013.93 km) |
| Llantwit Major to Jarvenpaa | 1,256.18 mi (2,021.62 km) |
| Llantwit Major to Joensuu | 1,445.79 mi (2,326.78 km) |
| Llantwit Major to Joutseno | 1,378.95 mi (2,219.21 km) |
| Llantwit Major to Jyvaskyla | 1,316.52 mi (2,118.73 km) |
| Llantwit Major to Jyvaskylan Maalaiskunta | 1,317.70 mi (2,120.63 km) |
| Llantwit Major to Kaarina | 1,166.58 mi (1,877.43 km) |
| Llantwit Major to Kajaani | 1,425.76 mi (2,294.53 km) |
| Llantwit Major to Kalajoki | 1,325.39 mi (2,133.01 km) |
| Llantwit Major to Kangasala | 1,246.12 mi (2,005.43 km) |
| Llantwit Major to Kankaanpaa | 1,204.88 mi (1,939.07 km) |
| Llantwit Major to Karhula | 1,317.27 mi (2,119.94 km) |
