| Bad Honnef am Rhein to Capoterra | 797.06 mi (1,282.75 km) |
| Bad Honnef am Rhein to Capriolo | 367.75 mi (591.84 km) |
| Bad Honnef am Rhein to Capua | 739.07 mi (1,189.42 km) |
| Bad Honnef am Rhein to Capurso | 809.07 mi (1,302.07 km) |
| Bad Honnef am Rhein to Carate Brianza | 348.86 mi (561.43 km) |
| Bad Honnef am Rhein to Caravaggio | 372.67 mi (599.75 km) |
| Bad Honnef am Rhein to Carbonera | 414.30 mi (666.75 km) |
| Bad Honnef am Rhein to Carbonia | 795.53 mi (1,280.29 km) |
| Bad Honnef am Rhein to Cardito | 750.71 mi (1,208.16 km) |
| Bad Honnef am Rhein to Carignano | 397.00 mi (638.92 km) |
| Bad Honnef am Rhein to Carini | 912.38 mi (1,468.33 km) |
| Bad Honnef am Rhein to Carlentini | 999.84 mi (1,609.09 km) |
| Bad Honnef am Rhein to Carmagnola | 401.04 mi (645.41 km) |
| Bad Honnef am Rhein to Carmiano | 881.75 mi (1,419.04 km) |
| Bad Honnef am Rhein to Carmignano | 504.01 mi (811.13 km) |
