| Rhondda to Imatra | 1,377.13 mi (2,216.27 km) |
| Rhondda to Jakobstad | 1,259.19 mi (2,026.47 km) |
| Rhondda to Jamsa | 1,278.38 mi (2,057.35 km) |
| Rhondda to Janakkala | 1,239.82 mi (1,995.30 km) |
| Rhondda to Jarvenpaa | 1,244.85 mi (2,003.39 km) |
| Rhondda to Joensuu | 1,433.81 mi (2,307.50 km) |
| Rhondda to Joutseno | 1,367.54 mi (2,200.84 km) |
| Rhondda to Jyvaskyla | 1,304.43 mi (2,099.28 km) |
| Rhondda to Jyvaskylan Maalaiskunta | 1,305.59 mi (2,101.14 km) |
| Rhondda to Kaarina | 1,155.06 mi (1,858.89 km) |
| Rhondda to Kajaani | 1,413.05 mi (2,274.09 km) |
| Rhondda to Kalajoki | 1,312.41 mi (2,112.12 km) |
| Rhondda to Kangasala | 1,234.23 mi (1,986.30 km) |
| Rhondda to Kankaanpaa | 1,192.70 mi (1,919.46 km) |
| Rhondda to Karhula | 1,306.05 mi (2,101.88 km) |
