| Sankt Gallen to Hoyo de Manzanares | 806.73 mi (1,298.31 km) |
| Sankt Gallen to Huelva | 1,086.49 mi (1,748.54 km) |
| Sankt Gallen to Huercal de Almeria | 944.38 mi (1,519.83 km) |
| Sankt Gallen to Huercal-Overa | 900.24 mi (1,448.80 km) |
| Sankt Gallen to Huesca | 602.61 mi (969.80 km) |
| Sankt Gallen to Huetor Vega | 967.63 mi (1,557.24 km) |
| Sankt Gallen to Huetor-Tajar | 981.94 mi (1,580.29 km) |
| Sankt Gallen to Humanes de Madrid | 821.62 mi (1,322.26 km) |
| Sankt Gallen to Ibi | 787.23 mi (1,266.93 km) |
| Sankt Gallen to Ibiza | 710.62 mi (1,143.64 km) |
| Sankt Gallen to Icod de los Vinos | 1,921.37 mi (3,092.15 km) |
| Sankt Gallen to Igualada | 555.18 mi (893.47 km) |
| Sankt Gallen to Illescas | 828.14 mi (1,332.75 km) |
| Sankt Gallen to Inca | 622.37 mi (1,001.61 km) |
| Sankt Gallen to Ingenio | 1,896.04 mi (3,051.38 km) |
