| Ada to Rheinbach | 691.34 mi (1,112.60 km) |
| Ada to Rheinberg | 732.34 mi (1,178.59 km) |
| Ada to Rheine | 727.31 mi (1,170.50 km) |
| Ada to Rheinfelden (Baden) | 596.86 mi (960.55 km) |
| Ada to Ribnitz-Damgarten | 674.89 mi (1,086.13 km) |
| Ada to Richterich | 731.78 mi (1,177.69 km) |
| Ada to Riedlingen | 527.72 mi (849.29 km) |
| Ada to Riegelsberg | 659.97 mi (1,062.13 km) |
| Ada to Rielasingen-Worblingen | 550.37 mi (885.74 km) |
| Ada to Riesa | 492.18 mi (792.09 km) |
| Ada to Rietberg | 673.47 mi (1,083.85 km) |
| Ada to Rinteln | 666.52 mi (1,072.66 km) |
| Ada to Ritterhude | 720.22 mi (1,159.08 km) |
| Ada to Rodenbach | 594.05 mi (956.03 km) |
| Ada to Rodental | 520.34 mi (837.40 km) |
