| Hennef to Cedar Rapids (Iowa) | 4,393.40 mi (7,070.50 km) |
| Hennef to Cedarburg (Wisconsin) | 4,195.45 mi (6,751.92 km) |
| Hennef to Celebration (Florida) | 4,680.64 mi (7,532.76 km) |
| Hennef to Celina (Ohio) | 4,199.07 mi (6,757.74 km) |
| Hennef to Celina (Texas) | 5,024.54 mi (8,086.22 km) |
| Hennef to Centennial (Colorado) | 4,970.32 mi (7,998.95 km) |
| Hennef to Center Point (Alabama) | 4,620.26 mi (7,435.58 km) |
| Hennef to Centereach (New York) | 3,735.07 mi (6,011.01 km) |
| Hennef to Centerton (Arkansas) | 4,772.94 mi (7,681.30 km) |
| Hennef to Centerville (Ohio) | 4,227.09 mi (6,802.85 km) |
| Hennef to Centerville (Utah) | 5,116.58 mi (8,234.34 km) |
| Hennef to Central (Louisiana) | 4,949.25 mi (7,965.05 km) |
| Hennef to Central Falls (Rhode Island) | 3,622.59 mi (5,830.00 km) |
| Hennef to Central Islip (New York) | 3,743.32 mi (6,024.29 km) |
| Hennef to Central Point (Oregon) | 5,337.25 mi (8,589.47 km) |
