| Hennef to Karis | 903.15 mi (1,453.48 km) |
| Hennef to Karkkila | 937.81 mi (1,509.25 km) |
| Hennef to Kauhajoki | 979.10 mi (1,575.71 km) |
| Hennef to Kauhava | 1,032.22 mi (1,661.20 km) |
| Hennef to Kauniainen | 938.61 mi (1,510.55 km) |
| Hennef to Kemi | 1,199.96 mi (1,931.15 km) |
| Hennef to Kemijarvi | 1,303.42 mi (2,097.65 km) |
| Hennef to Kempele | 1,174.65 mi (1,890.42 km) |
| Hennef to Kerava | 956.22 mi (1,538.88 km) |
| Hennef to Keuruu | 1,027.49 mi (1,653.59 km) |
| Hennef to Kiiminki | 1,191.15 mi (1,916.97 km) |
| Hennef to Kirkkonummi | 925.75 mi (1,489.86 km) |
| Hennef to Kitee | 1,160.48 mi (1,867.61 km) |
| Hennef to Kiuruvesi | 1,136.61 mi (1,829.19 km) |
| Hennef to Kivisto | 946.07 mi (1,522.56 km) |
