| Bad Honnef am Rhein to Carpentras | 466.49 mi (750.74 km) |
| Bad Honnef am Rhein to Carquefou | 457.75 mi (736.67 km) |
| Bad Honnef am Rhein to Carqueiranne | 524.47 mi (844.06 km) |
| Bad Honnef am Rhein to Carrieres-sous-Poissy | 259.34 mi (417.36 km) |
| Bad Honnef am Rhein to Carrieres-sur-Seine | 250.72 mi (403.50 km) |
| Bad Honnef am Rhein to Carros | 474.85 mi (764.19 km) |
| Bad Honnef am Rhein to Carvin | 187.60 mi (301.92 km) |
| Bad Honnef am Rhein to Castanet-Tolosan | 561.12 mi (903.03 km) |
| Bad Honnef am Rhein to Castelginest | 551.65 mi (887.79 km) |
| Bad Honnef am Rhein to Castelnau-le-Lez | 508.67 mi (818.62 km) |
| Bad Honnef am Rhein to Castelnaudary | 563.61 mi (907.05 km) |
| Bad Honnef am Rhein to Castelsarrasin | 538.43 mi (866.52 km) |
| Bad Honnef am Rhein to Castres | 539.77 mi (868.68 km) |
| Bad Honnef am Rhein to Caudebec-les-Elbeuf | 291.38 mi (468.93 km) |
| Bad Honnef am Rhein to Caudry | 171.86 mi (276.58 km) |
