| Boppard to Cizre | 1,918.74 mi (3,087.91 km) |
| Boppard to Cobanlar | 1,384.35 mi (2,227.89 km) |
| Boppard to Corlu | 1,154.01 mi (1,857.19 km) |
| Boppard to Corum | 1,475.46 mi (2,374.52 km) |
| Boppard to Cukurca | 1,983.65 mi (3,192.38 km) |
| Boppard to Cukurcayir | 1,664.31 mi (2,678.44 km) |
| Boppard to Cumayeri | 1,294.10 mi (2,082.65 km) |
| Boppard to Cumra | 1,516.60 mi (2,440.73 km) |
| Boppard to Cungus | 1,757.02 mi (2,827.64 km) |
| Boppard to Dargecit | 1,889.59 mi (3,040.99 km) |
| Boppard to Davutlar | 1,298.76 mi (2,090.15 km) |
| Boppard to Demirozu | 1,702.41 mi (2,739.76 km) |
| Boppard to Demre | 1,474.16 mi (2,372.44 km) |
| Boppard to Denizciler | 1,699.04 mi (2,734.35 km) |
| Boppard to Denizli | 1,363.53 mi (2,194.39 km) |
