| Bonn to Bumbesti-Jiu | 843.01 mi (1,356.70 km) |
| Bonn to Busteni | 924.02 mi (1,487.06 km) |
| Bonn to Buzau | 986.98 mi (1,588.39 km) |
| Bonn to Cajvana | 874.27 mi (1,407.01 km) |
| Bonn to Calafat | 873.72 mi (1,406.12 km) |
| Bonn to Calan | 807.28 mi (1,299.20 km) |
| Bonn to Calarasi | 1,042.81 mi (1,678.24 km) |
| Bonn to Campia Turzii | 816.62 mi (1,314.22 km) |
| Bonn to Campina | 942.39 mi (1,516.63 km) |
| Bonn to Campulung | 908.53 mi (1,462.14 km) |
| Bonn to Campulung Moldovenesc | 860.49 mi (1,384.83 km) |
| Bonn to Caracal | 923.77 mi (1,486.67 km) |
| Bonn to Caransebes | 786.63 mi (1,265.96 km) |
| Bonn to Carei | 723.40 mi (1,164.21 km) |
| Bonn to Cernavoda | 1,066.98 mi (1,717.14 km) |
