| Ironton to Ratingen | 4,190.23 mi (6,743.53 km) |
| Ironton to Ratzeburg | 4,261.80 mi (6,858.71 km) |
| Ironton to Raubling | 4,513.04 mi (7,263.03 km) |
| Ironton to Rauenberg | 4,327.25 mi (6,964.03 km) |
| Ironton to Raunheim | 4,292.91 mi (6,908.78 km) |
| Ironton to Ravensburg | 4,413.17 mi (7,102.31 km) |
| Ironton to Recke | 4,190.91 mi (6,744.62 km) |
| Ironton to Recklinghausen | 4,193.59 mi (6,748.94 km) |
| Ironton to Regen | 4,511.58 mi (7,260.69 km) |
| Ironton to Regensburg | 4,468.90 mi (7,192.00 km) |
| Ironton to Regenstauf | 4,466.92 mi (7,188.81 km) |
| Ironton to Rehau | 4,423.54 mi (7,119.00 km) |
| Ironton to Rehburg-Loccum | 4,244.50 mi (6,830.86 km) |
| Ironton to Rehlingen-Siersburg | 4,243.23 mi (6,828.82 km) |
| Ironton to Reichelsheim | 4,318.02 mi (6,949.18 km) |
