| Llantrisant to Imatra | 1,379.12 mi (2,219.48 km) |
| Llantrisant to Jakobstad | 1,262.04 mi (2,031.06 km) |
| Llantrisant to Jamsa | 1,280.67 mi (2,061.05 km) |
| Llantrisant to Janakkala | 1,241.89 mi (1,998.64 km) |
| Llantrisant to Jarvenpaa | 1,246.79 mi (2,006.51 km) |
| Llantrisant to Joensuu | 1,436.12 mi (2,311.20 km) |
| Llantrisant to Joutseno | 1,369.52 mi (2,204.04 km) |
| Llantrisant to Jyvaskyla | 1,306.80 mi (2,103.09 km) |
| Llantrisant to Jyvaskylan Maalaiskunta | 1,307.97 mi (2,104.97 km) |
| Llantrisant to Kaarina | 1,157.10 mi (1,862.18 km) |
| Llantrisant to Kajaani | 1,415.79 mi (2,278.50 km) |
| Llantrisant to Kalajoki | 1,315.33 mi (2,116.82 km) |
| Llantrisant to Kangasala | 1,236.48 mi (1,989.92 km) |
| Llantrisant to Kankaanpaa | 1,195.12 mi (1,923.36 km) |
| Llantrisant to Karhula | 1,307.93 mi (2,104.91 km) |
