| Solothurn to Hoyo de Manzanares | 726.52 mi (1,169.22 km) |
| Solothurn to Huelva | 1,008.49 mi (1,623.01 km) |
| Solothurn to Huercal de Almeria | 876.63 mi (1,410.81 km) |
| Solothurn to Huercal-Overa | 832.71 mi (1,340.12 km) |
| Solothurn to Huesca | 524.80 mi (844.59 km) |
| Solothurn to Huetor Vega | 896.33 mi (1,442.50 km) |
| Solothurn to Huetor-Tajar | 909.44 mi (1,463.60 km) |
| Solothurn to Humanes de Madrid | 742.39 mi (1,194.76 km) |
| Solothurn to Ibi | 720.60 mi (1,159.69 km) |
| Solothurn to Ibiza | 650.91 mi (1,047.54 km) |
| Solothurn to Icod de los Vinos | 1,842.78 mi (2,965.67 km) |
| Solothurn to Igualada | 486.30 mi (782.63 km) |
| Solothurn to Illescas | 749.23 mi (1,205.77 km) |
| Solothurn to Inca | 567.30 mi (912.98 km) |
| Solothurn to Ingenio | 1,819.19 mi (2,927.70 km) |
