| Niederkassel to Huelva | 1,162.48 mi (1,870.84 km) |
| Niederkassel to Huercal de Almeria | 1,070.00 mi (1,722.00 km) |
| Niederkassel to Huercal-Overa | 1,027.50 mi (1,653.59 km) |
| Niederkassel to Huesca | 696.05 mi (1,120.18 km) |
| Niederkassel to Huetor Vega | 1,078.88 mi (1,736.29 km) |
| Niederkassel to Huetor-Tajar | 1,087.72 mi (1,750.51 km) |
| Niederkassel to Humanes de Madrid | 897.38 mi (1,444.20 km) |
| Niederkassel to Ibi | 920.14 mi (1,480.83 km) |
| Niederkassel to Ibiza | 866.62 mi (1,394.69 km) |
| Niederkassel to Icod de los Vinos | 1,983.54 mi (3,192.20 km) |
| Niederkassel to Igualada | 688.13 mi (1,107.44 km) |
| Niederkassel to Illescas | 905.59 mi (1,457.41 km) |
| Niederkassel to Inca | 792.30 mi (1,275.09 km) |
| Niederkassel to Ingenio | 1,968.88 mi (3,168.61 km) |
| Niederkassel to Irun | 661.86 mi (1,065.16 km) |
