| Mountain Ash to Rodgau | 546.45 mi (879.43 km) |
| Mountain Ash to Roding | 718.60 mi (1,156.48 km) |
| Mountain Ash to Rodinghausen | 505.88 mi (814.14 km) |
| Mountain Ash to Roetgen | 420.79 mi (677.19 km) |
| Mountain Ash to Rommerskirchen | 436.44 mi (702.38 km) |
| Mountain Ash to Ronnenberg | 555.46 mi (893.93 km) |
| Mountain Ash to Rosbach vor der Hohe | 533.33 mi (858.32 km) |
| Mountain Ash to Rosdorf | 569.37 mi (916.32 km) |
| Mountain Ash to Rosenheim | 739.41 mi (1,189.96 km) |
| Mountain Ash to Rosrath | 459.16 mi (738.95 km) |
| Mountain Ash to Rossdorf | 544.31 mi (875.99 km) |
| Mountain Ash to Rosstal | 644.66 mi (1,037.47 km) |
| Mountain Ash to Rostock | 666.23 mi (1,072.20 km) |
| Mountain Ash to Rotenburg an der Fulda | 566.95 mi (912.42 km) |
| Mountain Ash to Roth | 657.08 mi (1,057.47 km) |
