| Isernia to Rheinbach | 714.17 mi (1,149.35 km) |
| Isernia to Rheinberg | 775.98 mi (1,248.82 km) |
| Isernia to Rheine | 803.91 mi (1,293.76 km) |
| Isernia to Rheinfelden (Baden) | 519.39 mi (835.87 km) |
| Isernia to Ribnitz-Damgarten | 877.61 mi (1,412.38 km) |
| Isernia to Richterich | 745.60 mi (1,199.93 km) |
| Isernia to Riedlingen | 509.10 mi (819.32 km) |
| Isernia to Riegelsberg | 637.84 mi (1,026.50 km) |
| Isernia to Rielasingen-Worblingen | 499.61 mi (804.04 km) |
| Isernia to Riesa | 672.07 mi (1,081.58 km) |
| Isernia to Rietberg | 755.77 mi (1,216.29 km) |
| Isernia to Rinteln | 770.52 mi (1,240.03 km) |
| Isernia to Ritterhude | 839.77 mi (1,351.48 km) |
| Isernia to Rodenbach | 641.07 mi (1,031.70 km) |
| Isernia to Rodental | 618.68 mi (995.67 km) |
