| Duzce to Ratingen | 1,361.35 mi (2,190.89 km) |
| Duzce to Ratzeburg | 1,296.96 mi (2,087.26 km) |
| Duzce to Raubling | 1,053.29 mi (1,695.11 km) |
| Duzce to Rauenberg | 1,234.40 mi (1,986.58 km) |
| Duzce to Raunheim | 1,263.17 mi (2,032.88 km) |
| Duzce to Ravensburg | 1,163.14 mi (1,871.89 km) |
| Duzce to Recke | 1,358.31 mi (2,186.00 km) |
| Duzce to Recklinghausen | 1,356.73 mi (2,183.45 km) |
| Duzce to Regen | 1,041.57 mi (1,676.24 km) |
| Duzce to Regensburg | 1,086.17 mi (1,748.03 km) |
| Duzce to Regenstauf | 1,087.37 mi (1,749.95 km) |
| Duzce to Rehau | 1,126.26 mi (1,812.54 km) |
| Duzce to Rehburg-Loccum | 1,305.44 mi (2,100.90 km) |
| Duzce to Rehlingen-Siersburg | 1,323.15 mi (2,129.40 km) |
| Duzce to Reichelsheim | 1,239.44 mi (1,994.68 km) |
