| Irmo to Ratingen | 4,347.43 mi (6,996.51 km) |
| Irmo to Ratzeburg | 4,435.87 mi (7,138.84 km) |
| Irmo to Raubling | 4,661.43 mi (7,501.84 km) |
| Irmo to Rauenberg | 4,477.14 mi (7,205.25 km) |
| Irmo to Raunheim | 4,446.08 mi (7,155.27 km) |
| Irmo to Ravensburg | 4,557.30 mi (7,334.27 km) |
| Irmo to Recke | 4,354.58 mi (7,008.02 km) |
| Irmo to Recklinghausen | 4,352.63 mi (7,004.89 km) |
| Irmo to Regen | 4,667.18 mi (7,511.11 km) |
| Irmo to Regensburg | 4,623.00 mi (7,439.99 km) |
| Irmo to Regenstauf | 4,621.59 mi (7,437.73 km) |
| Irmo to Rehau | 4,583.29 mi (7,376.09 km) |
| Irmo to Rehburg-Loccum | 4,410.56 mi (7,098.12 km) |
| Irmo to Rehlingen-Siersburg | 4,390.52 mi (7,065.86 km) |
| Irmo to Reichelsheim | 4,470.30 mi (7,194.25 km) |
