| Rhondda to Alesd | 1,197.15 mi (1,926.62 km) |
| Rhondda to Alexandria | 1,423.85 mi (2,291.46 km) |
| Rhondda to Arad | 1,177.87 mi (1,895.60 km) |
| Rhondda to Avrig | 1,323.05 mi (2,129.24 km) |
| Rhondda to Babadag | 1,536.19 mi (2,472.26 km) |
| Rhondda to Bacau | 1,404.54 mi (2,260.39 km) |
| Rhondda to Baia Mare | 1,230.94 mi (1,981.01 km) |
| Rhondda to Baia-Sprie | 1,236.32 mi (1,989.67 km) |
| Rhondda to Baicoi | 1,408.52 mi (2,266.79 km) |
| Rhondda to Bailesti | 1,338.26 mi (2,153.73 km) |
| Rhondda to Bals | 1,357.97 mi (2,185.44 km) |
| Rhondda to Baraolt | 1,363.65 mi (2,194.59 km) |
| Rhondda to Barlad | 1,447.75 mi (2,329.93 km) |
| Rhondda to Beclean | 1,269.93 mi (2,043.76 km) |
| Rhondda to Beius | 1,207.20 mi (1,942.80 km) |
