| Katy to Ratingen | 5,141.92 mi (8,275.12 km) |
| Katy to Ratzeburg | 5,202.74 mi (8,372.99 km) |
| Katy to Raubling | 5,468.15 mi (8,800.14 km) |
| Katy to Rauenberg | 5,282.07 mi (8,500.67 km) |
| Katy to Raunheim | 5,246.34 mi (8,443.16 km) |
| Katy to Ravensburg | 5,370.13 mi (8,642.39 km) |
| Katy to Recke | 5,139.02 mi (8,270.45 km) |
| Katy to Recklinghausen | 5,144.30 mi (8,278.95 km) |
| Katy to Regen | 5,463.33 mi (8,792.38 km) |
| Katy to Regensburg | 5,421.50 mi (8,725.06 km) |
| Katy to Regenstauf | 5,419.24 mi (8,721.42 km) |
| Katy to Rehau | 5,373.28 mi (8,647.46 km) |
| Katy to Rehburg-Loccum | 5,190.98 mi (8,354.07 km) |
| Katy to Rehlingen-Siersburg | 5,199.28 mi (8,367.43 km) |
| Katy to Reichelsheim | 5,271.80 mi (8,484.14 km) |
