| Boppard to Bumbesti-Jiu | 810.83 mi (1,304.91 km) |
| Boppard to Busteni | 893.90 mi (1,438.59 km) |
| Boppard to Buzau | 957.30 mi (1,540.63 km) |
| Boppard to Cajvana | 849.39 mi (1,366.96 km) |
| Boppard to Calafat | 839.29 mi (1,350.71 km) |
| Boppard to Calan | 775.86 mi (1,248.62 km) |
| Boppard to Calarasi | 1,011.92 mi (1,628.52 km) |
| Boppard to Campia Turzii | 787.59 mi (1,267.50 km) |
| Boppard to Campina | 911.91 mi (1,467.57 km) |
| Boppard to Campulung | 877.79 mi (1,412.67 km) |
| Boppard to Campulung Moldovenesc | 834.92 mi (1,343.68 km) |
| Boppard to Caracal | 890.59 mi (1,433.27 km) |
| Boppard to Caransebes | 753.96 mi (1,213.38 km) |
| Boppard to Carei | 696.16 mi (1,120.36 km) |
| Boppard to Cernavoda | 1,036.78 mi (1,668.54 km) |
