| Bad Honnef am Rhein to Cento | 449.75 mi (723.81 km) |
| Bad Honnef am Rhein to Cepagatti | 657.34 mi (1,057.88 km) |
| Bad Honnef am Rhein to Ceprano | 696.31 mi (1,120.60 km) |
| Bad Honnef am Rhein to Cercola | 757.03 mi (1,218.33 km) |
| Bad Honnef am Rhein to Cerea | 418.97 mi (674.27 km) |
| Bad Honnef am Rhein to Cerese | 419.55 mi (675.21 km) |
| Bad Honnef am Rhein to Cerignola | 769.18 mi (1,237.87 km) |
| Bad Honnef am Rhein to Cermenate | 352.18 mi (566.78 km) |
| Bad Honnef am Rhein to Cernusco sul Naviglio | 367.39 mi (591.25 km) |
| Bad Honnef am Rhein to Cerreto Guidi | 505.12 mi (812.92 km) |
| Bad Honnef am Rhein to Cerro Maggiore | 357.49 mi (575.33 km) |
| Bad Honnef am Rhein to Certaldo | 521.97 mi (840.04 km) |
| Bad Honnef am Rhein to Cerveteri | 640.62 mi (1,030.97 km) |
| Bad Honnef am Rhein to Cervia | 501.84 mi (807.63 km) |
| Bad Honnef am Rhein to Cervignano del Friuli | 435.61 mi (701.04 km) |
