| Hennef to Carovigno | 856.16 mi (1,377.86 km) |
| Hennef to Carpenedolo | 401.48 mi (646.12 km) |
| Hennef to Carpi | 446.84 mi (719.13 km) |
| Hennef to Carrara | 481.46 mi (774.83 km) |
| Hennef to Carugate | 373.68 mi (601.38 km) |
| Hennef to Casal di Principe | 750.12 mi (1,207.20 km) |
| Hennef to Casale Monferrato | 394.07 mi (634.19 km) |
| Hennef to Casale sul Sile | 426.81 mi (686.89 km) |
| Hennef to Casalecchio di Reno | 473.28 mi (761.67 km) |
| Hennef to Casalgrande | 457.32 mi (735.98 km) |
| Hennef to Casalmaggiore | 425.94 mi (685.48 km) |
| Hennef to Casalnuovo di Napoli | 761.00 mi (1,224.72 km) |
| Hennef to Casalpusterlengo | 402.42 mi (647.63 km) |
| Hennef to Casaluce | 752.57 mi (1,211.15 km) |
| Hennef to Casamassima | 820.94 mi (1,321.18 km) |
