| Bad Honnef am Rhein to Casandrino | 750.69 mi (1,208.11 km) |
| Bad Honnef am Rhein to Casapulla | 743.02 mi (1,195.77 km) |
| Bad Honnef am Rhein to Casarano | 904.37 mi (1,455.45 km) |
| Bad Honnef am Rhein to Casatenovo | 354.99 mi (571.30 km) |
| Bad Honnef am Rhein to Casciana Terme | 516.83 mi (831.76 km) |
| Bad Honnef am Rhein to Cascina | 505.57 mi (813.63 km) |
| Bad Honnef am Rhein to Caselle Torinese | 378.27 mi (608.76 km) |
| Bad Honnef am Rhein to Caserta | 744.11 mi (1,197.53 km) |
| Bad Honnef am Rhein to Casier | 416.68 mi (670.58 km) |
| Bad Honnef am Rhein to Casorate Primo | 377.31 mi (607.22 km) |
| Bad Honnef am Rhein to Casoria | 753.86 mi (1,213.22 km) |
| Bad Honnef am Rhein to Cassano al Ionio | 869.69 mi (1,399.64 km) |
| Bad Honnef am Rhein to Cassano d'Adda | 368.61 mi (593.22 km) |
| Bad Honnef am Rhein to Cassano delle Murge | 814.84 mi (1,311.35 km) |
| Bad Honnef am Rhein to Cassina de' Pecchi | 367.80 mi (591.91 km) |
