| Castanet-Tolosan to Huelva | 619.94 mi (997.70 km) |
| Castanet-Tolosan to Huercal de Almeria | 502.87 mi (809.29 km) |
| Castanet-Tolosan to Huercal-Overa | 460.40 mi (740.95 km) |
| Castanet-Tolosan to Huesca | 136.14 mi (219.10 km) |
| Castanet-Tolosan to Huetor Vega | 514.15 mi (827.45 km) |
| Castanet-Tolosan to Huetor-Tajar | 525.03 mi (844.95 km) |
| Castanet-Tolosan to Humanes de Madrid | 354.61 mi (570.69 km) |
| Castanet-Tolosan to Ibi | 354.57 mi (570.62 km) |
| Castanet-Tolosan to Ibiza | 318.31 mi (512.27 km) |
| Castanet-Tolosan to Icod de los Vinos | 1,454.58 mi (2,340.93 km) |
| Castanet-Tolosan to Igualada | 133.79 mi (215.31 km) |
| Castanet-Tolosan to Illescas | 361.14 mi (581.20 km) |
| Castanet-Tolosan to Inca | 272.50 mi (438.55 km) |
| Castanet-Tolosan to Ingenio | 1,430.52 mi (2,302.20 km) |
| Castanet-Tolosan to Irun | 165.38 mi (266.15 km) |
