| Trets to Ratzeburg | 744.81 mi (1,198.66 km) |
| Trets to Raubling | 431.22 mi (693.99 km) |
| Trets to Rauenberg | 427.06 mi (687.29 km) |
| Trets to Raunheim | 472.34 mi (760.16 km) |
| Trets to Ravensburg | 354.51 mi (570.53 km) |
| Trets to Recke | 623.61 mi (1,003.60 km) |
| Trets to Recklinghausen | 566.46 mi (911.63 km) |
| Trets to Regen | 521.30 mi (838.96 km) |
| Trets to Regensburg | 491.15 mi (790.43 km) |
| Trets to Regenstauf | 498.08 mi (801.58 km) |
| Trets to Rehau | 556.72 mi (895.95 km) |
| Trets to Rehburg-Loccum | 642.90 mi (1,034.65 km) |
| Trets to Rehlingen-Siersburg | 411.86 mi (662.83 km) |
| Trets to Reichelsheim | 458.13 mi (737.30 km) |
| Trets to Reichenbach/Vogtland | 584.64 mi (940.89 km) |
