| Boulogne-sur-Mer to Huelva | 1,022.22 mi (1,645.10 km) |
| Boulogne-sur-Mer to Huercal de Almeria | 977.15 mi (1,572.56 km) |
| Boulogne-sur-Mer to Huercal-Overa | 938.31 mi (1,510.07 km) |
| Boulogne-sur-Mer to Huesca | 601.49 mi (968.01 km) |
| Boulogne-sur-Mer to Huetor Vega | 972.20 mi (1,564.60 km) |
| Boulogne-sur-Mer to Huetor-Tajar | 975.69 mi (1,570.22 km) |
| Boulogne-sur-Mer to Humanes de Madrid | 769.57 mi (1,238.50 km) |
| Boulogne-sur-Mer to Ibi | 842.77 mi (1,356.30 km) |
| Boulogne-sur-Mer to Ibiza | 816.56 mi (1,314.12 km) |
| Boulogne-sur-Mer to Icod de los Vinos | 1,817.19 mi (2,924.48 km) |
| Boulogne-sur-Mer to Igualada | 631.86 mi (1,016.88 km) |
| Boulogne-sur-Mer to Illescas | 778.68 mi (1,253.16 km) |
| Boulogne-sur-Mer to Inca | 763.30 mi (1,228.41 km) |
| Boulogne-sur-Mer to Ingenio | 1,810.28 mi (2,913.36 km) |
| Boulogne-sur-Mer to Irun | 534.92 mi (860.87 km) |
