| Porsgrunn to Huelva | 1,683.72 mi (2,709.69 km) |
| Porsgrunn to Huercal de Almeria | 1,629.53 mi (2,622.48 km) |
| Porsgrunn to Huercal-Overa | 1,588.88 mi (2,557.05 km) |
| Porsgrunn to Huesca | 1,251.24 mi (2,013.67 km) |
| Porsgrunn to Huetor Vega | 1,629.51 mi (2,622.44 km) |
| Porsgrunn to Huetor-Tajar | 1,634.47 mi (2,630.42 km) |
| Porsgrunn to Humanes de Madrid | 1,430.53 mi (2,302.22 km) |
| Porsgrunn to Ibi | 1,486.78 mi (2,392.75 km) |
| Porsgrunn to Ibiza | 1,443.08 mi (2,322.41 km) |
| Porsgrunn to Icod de los Vinos | 2,466.38 mi (3,969.25 km) |
| Porsgrunn to Igualada | 1,260.73 mi (2,028.94 km) |
| Porsgrunn to Illescas | 1,439.55 mi (2,316.73 km) |
| Porsgrunn to Inca | 1,372.99 mi (2,209.62 km) |
| Porsgrunn to Ingenio | 2,464.18 mi (3,965.72 km) |
| Porsgrunn to Irun | 1,194.39 mi (1,922.19 km) |
