| Sligo to Huelva | 1,177.99 mi (1,895.79 km) |
| Sligo to Huercal de Almeria | 1,235.08 mi (1,987.68 km) |
| Sligo to Huercal-Overa | 1,207.13 mi (1,942.69 km) |
| Sligo to Huesca | 915.55 mi (1,473.43 km) |
| Sligo to Huetor Vega | 1,205.47 mi (1,940.02 km) |
| Sligo to Huetor-Tajar | 1,198.22 mi (1,928.35 km) |
| Sligo to Humanes de Madrid | 991.95 mi (1,596.38 km) |
| Sligo to Ibi | 1,142.57 mi (1,838.78 km) |
| Sligo to Ibiza | 1,158.27 mi (1,864.05 km) |
| Sligo to Icod de los Vinos | 1,837.88 mi (2,957.78 km) |
| Sligo to Igualada | 991.24 mi (1,595.24 km) |
| Sligo to Illescas | 1,001.20 mi (1,611.27 km) |
| Sligo to Inca | 1,136.60 mi (1,829.18 km) |
| Sligo to Ingenio | 1,853.81 mi (2,983.42 km) |
| Sligo to Irun | 813.37 mi (1,308.99 km) |
