| Rhondda to Kongen | 600.26 mi (966.03 km) |
| Rhondda to Konigs Wusterhausen | 725.52 mi (1,167.61 km) |
| Rhondda to Konigsbach-Stein | 560.77 mi (902.47 km) |
| Rhondda to Konigsbrunn | 675.59 mi (1,087.26 km) |
| Rhondda to Konigslutter am Elm | 607.00 mi (976.87 km) |
| Rhondda to Konigstein im Taunus | 526.62 mi (847.51 km) |
| Rhondda to Konigswinter | 464.16 mi (746.99 km) |
| Rhondda to Konstanz | 625.24 mi (1,006.23 km) |
| Rhondda to Konz | 457.19 mi (735.78 km) |
| Rhondda to Korb | 595.53 mi (958.41 km) |
| Rhondda to Korbach | 528.82 mi (851.06 km) |
| Rhondda to Korntal-Munchingen | 585.86 mi (942.84 km) |
| Rhondda to Kornwestheim | 587.70 mi (945.81 km) |
| Rhondda to Korschenbroich | 428.94 mi (690.30 km) |
| Rhondda to Kosching | 685.91 mi (1,103.87 km) |
