| Frankfort to Ratingen | 4,291.08 mi (6,905.83 km) |
| Frankfort to Ratzeburg | 4,358.21 mi (7,013.87 km) |
| Frankfort to Raubling | 4,615.67 mi (7,428.21 km) |
| Frankfort to Rauenberg | 4,429.70 mi (7,128.91 km) |
| Frankfort to Raunheim | 4,394.63 mi (7,072.48 km) |
| Frankfort to Ravensburg | 4,516.84 mi (7,269.15 km) |
| Frankfort to Recke | 4,290.15 mi (6,904.33 km) |
| Frankfort to Recklinghausen | 4,293.99 mi (6,910.51 km) |
| Frankfort to Regen | 4,612.52 mi (7,423.14 km) |
| Frankfort to Regensburg | 4,570.24 mi (7,355.09 km) |
| Frankfort to Regenstauf | 4,568.12 mi (7,351.69 km) |
| Frankfort to Rehau | 4,523.55 mi (7,279.95 km) |
| Frankfort to Rehburg-Loccum | 4,343.07 mi (6,989.50 km) |
| Frankfort to Rehlingen-Siersburg | 4,346.35 mi (6,994.77 km) |
| Frankfort to Reichelsheim | 4,419.92 mi (7,113.18 km) |
