| Bad Honnef am Rhein to Cabestany | 586.33 mi (943.61 km) |
| Bad Honnef am Rhein to Cabries | 505.24 mi (813.10 km) |
| Bad Honnef am Rhein to Cachan | 253.32 mi (407.68 km) |
| Bad Honnef am Rhein to Caen | 352.66 mi (567.54 km) |
| Bad Honnef am Rhein to Cagnes-sur-Mer | 482.33 mi (776.23 km) |
| Bad Honnef am Rhein to Cahors | 505.79 mi (813.99 km) |
| Bad Honnef am Rhein to Calais | 235.42 mi (378.87 km) |
| Bad Honnef am Rhein to Caluire-et-Cuire | 352.49 mi (567.27 km) |
| Bad Honnef am Rhein to Cambrai | 178.67 mi (287.55 km) |
| Bad Honnef am Rhein to Canet-en-Roussillon | 583.65 mi (939.29 km) |
| Bad Honnef am Rhein to Cannes | 490.23 mi (788.95 km) |
| Bad Honnef am Rhein to Canteleu | 286.69 mi (461.39 km) |
| Bad Honnef am Rhein to Capbreton | 631.37 mi (1,016.09 km) |
| Bad Honnef am Rhein to Carcassonne | 562.59 mi (905.40 km) |
| Bad Honnef am Rhein to Carmaux | 513.51 mi (826.41 km) |
