| Middle River to Hoyo de Manzanares | 3,725.47 mi (5,995.56 km) |
| Middle River to Huelva | 3,673.05 mi (5,911.20 km) |
| Middle River to Huercal de Almeria | 3,907.81 mi (6,289.01 km) |
| Middle River to Huercal-Overa | 3,916.69 mi (6,303.31 km) |
| Middle River to Huesca | 3,846.39 mi (6,190.17 km) |
| Middle River to Huetor Vega | 3,843.68 mi (6,185.80 km) |
| Middle River to Huetor-Tajar | 3,818.64 mi (6,145.50 km) |
| Middle River to Humanes de Madrid | 3,738.89 mi (6,017.16 km) |
| Middle River to Ibi | 3,943.92 mi (6,347.13 km) |
| Middle River to Ibiza | 4,031.44 mi (6,487.98 km) |
| Middle River to Icod de los Vinos | 3,447.52 mi (5,548.25 km) |
| Middle River to Igualada | 3,957.48 mi (6,368.95 km) |
| Middle River to Illescas | 3,742.54 mi (6,023.04 km) |
| Middle River to Inca | 4,076.12 mi (6,559.88 km) |
| Middle River to Ingenio | 3,529.35 mi (5,679.94 km) |
