| Solon to Ratingen | 4,007.18 mi (6,448.94 km) |
| Solon to Ratzeburg | 4,072.73 mi (6,554.43 km) |
| Solon to Raubling | 4,332.76 mi (6,972.90 km) |
| Solon to Rauenberg | 4,146.70 mi (6,673.46 km) |
| Solon to Raunheim | 4,111.19 mi (6,616.32 km) |
| Solon to Ravensburg | 4,234.67 mi (6,815.04 km) |
| Solon to Recke | 4,005.52 mi (6,446.27 km) |
| Solon to Recklinghausen | 4,009.86 mi (6,453.25 km) |
| Solon to Regen | 4,328.63 mi (6,966.26 km) |
| Solon to Regensburg | 4,286.56 mi (6,898.55 km) |
| Solon to Regenstauf | 4,284.37 mi (6,895.03 km) |
| Solon to Rehau | 4,239.22 mi (6,822.36 km) |
| Solon to Rehburg-Loccum | 4,058.19 mi (6,531.02 km) |
| Solon to Rehlingen-Siersburg | 4,063.81 mi (6,540.06 km) |
| Solon to Reichelsheim | 4,136.58 mi (6,657.19 km) |
