| Bad Honnef am Rhein to Buxtehude | 222.08 mi (357.40 km) |
| Bad Honnef am Rhein to Cadolzburg | 181.35 mi (291.85 km) |
| Bad Honnef am Rhein to Calbe | 214.94 mi (345.91 km) |
| Bad Honnef am Rhein to Calw | 149.28 mi (240.24 km) |
| Bad Honnef am Rhein to Castrop-Rauxel | 62.65 mi (100.83 km) |
| Bad Honnef am Rhein to Celle | 183.61 mi (295.49 km) |
| Bad Honnef am Rhein to Cham | 260.53 mi (419.28 km) |
| Bad Honnef am Rhein to Chemnitz | 249.07 mi (400.84 km) |
| Bad Honnef am Rhein to Clausthal-Zellerfeld | 156.56 mi (251.96 km) |
| Bad Honnef am Rhein to Cloppenburg | 156.36 mi (251.64 km) |
| Bad Honnef am Rhein to Coburg | 166.56 mi (268.05 km) |
| Bad Honnef am Rhein to Coesfeld | 90.20 mi (145.17 km) |
| Bad Honnef am Rhein to Cologne | 23.42 mi (37.70 km) |
| Bad Honnef am Rhein to Coswig | 279.00 mi (449.01 km) |
| Bad Honnef am Rhein to Coswig | 240.74 mi (387.43 km) |
