| Tulcea to Ratingen | 1,089.36 mi (1,753.15 km) |
| Tulcea to Ratzeburg | 996.95 mi (1,604.44 km) |
| Tulcea to Raubling | 812.50 mi (1,307.59 km) |
| Tulcea to Rauenberg | 980.74 mi (1,578.34 km) |
| Tulcea to Raunheim | 1,001.19 mi (1,611.26 km) |
| Tulcea to Ravensburg | 927.72 mi (1,493.02 km) |
| Tulcea to Recke | 1,074.95 mi (1,729.97 km) |
| Tulcea to Recklinghausen | 1,081.43 mi (1,740.40 km) |
| Tulcea to Regen | 780.25 mi (1,255.69 km) |
| Tulcea to Regensburg | 827.42 mi (1,331.60 km) |
| Tulcea to Regenstauf | 827.04 mi (1,330.99 km) |
| Tulcea to Rehau | 852.42 mi (1,371.84 km) |
| Tulcea to Rehburg-Loccum | 1,018.07 mi (1,638.42 km) |
| Tulcea to Rehlingen-Siersburg | 1,072.01 mi (1,725.23 km) |
| Tulcea to Reichelsheim | 980.09 mi (1,577.31 km) |
