| Boo to Rheinbach | 746.71 mi (1,201.72 km) |
| Boo to Rheinberg | 702.82 mi (1,131.07 km) |
| Boo to Rheine | 640.78 mi (1,031.24 km) |
| Boo to Rheinfelden (Baden) | 916.77 mi (1,475.39 km) |
| Boo to Ribnitz-Damgarten | 412.54 mi (663.92 km) |
| Boo to Richterich | 757.95 mi (1,219.80 km) |
| Boo to Riedlingen | 848.85 mi (1,366.09 km) |
| Boo to Riegelsberg | 826.71 mi (1,330.47 km) |
| Boo to Rielasingen-Worblingen | 886.70 mi (1,427.00 km) |
| Boo to Riesa | 586.26 mi (943.49 km) |
| Boo to Rietberg | 644.27 mi (1,036.85 km) |
| Boo to Rinteln | 606.72 mi (976.42 km) |
| Boo to Ritterhude | 557.66 mi (897.47 km) |
| Boo to Rodenbach | 730.83 mi (1,176.16 km) |
| Boo to Rodental | 685.67 mi (1,103.48 km) |
