| Rhondda to Tallinn | 1,214.38 mi (1,954.35 km) |
| Rhondda to Tartu | 1,269.25 mi (2,042.67 km) |
| Rhondda to Valga | 1,238.81 mi (1,993.68 km) |
| Rhondda to Viljandi | 1,229.12 mi (1,978.08 km) |
| Rhondda to Voru | 1,274.41 mi (2,050.97 km) |
| Rhondda to Aanekoski | 1,312.91 mi (2,112.93 km) |
| Rhondda to Alajarvi | 1,268.81 mi (2,041.95 km) |
| Rhondda to Alavus | 1,251.09 mi (2,013.43 km) |
| Rhondda to Ekenas | 1,180.34 mi (1,899.58 km) |
| Rhondda to Espoo | 1,225.27 mi (1,971.87 km) |
| Rhondda to Eura | 1,164.70 mi (1,874.41 km) |
| Rhondda to Eurajoki | 1,155.79 mi (1,860.07 km) |
| Rhondda to Forssa | 1,204.98 mi (1,939.22 km) |
| Rhondda to Hakkila | 1,236.60 mi (1,990.12 km) |
| Rhondda to Halikko | 1,177.86 mi (1,895.58 km) |
