| Hennef to Corinth (Mississippi) | 4,626.15 mi (7,445.08 km) |
| Hennef to Corinth (Texas) | 5,043.82 mi (8,117.24 km) |
| Hennef to Cornelius (North Carolina) | 4,298.92 mi (6,918.44 km) |
| Hennef to Cornelius (Oregon) | 5,152.36 mi (8,291.93 km) |
| Hennef to Corning (New York) | 3,836.01 mi (6,173.46 km) |
| Hennef to Corona (California) | 5,695.54 mi (9,166.09 km) |
| Hennef to Coronado (California) | 5,753.71 mi (9,259.70 km) |
| Hennef to Corpus Christi (Texas) | 5,345.14 mi (8,602.17 km) |
| Hennef to Corsicana (Texas) | 5,077.69 mi (8,171.74 km) |
| Hennef to Cortland (New York) | 3,781.55 mi (6,085.82 km) |
| Hennef to Corvallis (Oregon) | 5,214.74 mi (8,392.31 km) |
| Hennef to Coshocton (Ohio) | 4,108.80 mi (6,612.48 km) |
| Hennef to Costa Mesa (California) | 5,717.48 mi (9,201.40 km) |
| Hennef to Coto de Caza (California) | 5,711.82 mi (9,192.29 km) |
| Hennef to Cottage Grove (Minnesota) | 4,296.78 mi (6,914.99 km) |
