| Idil to Ratingen | 1,956.39 mi (3,148.51 km) |
| Idil to Ratzeburg | 1,859.66 mi (2,992.83 km) |
| Idil to Raubling | 1,665.12 mi (2,679.75 km) |
| Idil to Rauenberg | 1,841.22 mi (2,963.16 km) |
| Idil to Raunheim | 1,865.22 mi (3,001.77 km) |
| Idil to Ravensburg | 1,777.67 mi (2,860.88 km) |
| Idil to Recke | 1,942.80 mi (3,126.63 km) |
| Idil to Recklinghausen | 1,948.98 mi (3,136.58 km) |
| Idil to Regen | 1,643.08 mi (2,644.28 km) |
| Idil to Regensburg | 1,689.45 mi (2,718.90 km) |
| Idil to Regenstauf | 1,689.71 mi (2,719.33 km) |
| Idil to Rehau | 1,719.34 mi (2,767.01 km) |
| Idil to Rehburg-Loccum | 1,885.55 mi (3,034.50 km) |
| Idil to Rehlingen-Siersburg | 1,931.65 mi (3,108.69 km) |
| Idil to Reichelsheim | 1,843.04 mi (2,966.09 km) |
