| Skien to Imola | 1,030.40 mi (1,658.26 km) |
| Skien to Impruneta | 1,075.06 mi (1,730.14 km) |
| Skien to Induno Olona | 923.44 mi (1,486.13 km) |
| Skien to Inverigo | 931.12 mi (1,498.50 km) |
| Skien to Inveruno | 946.44 mi (1,523.14 km) |
| Skien to Inzago | 944.84 mi (1,520.58 km) |
| Skien to Iseo | 936.41 mi (1,507.01 km) |
| Skien to Isernia | 1,233.05 mi (1,984.41 km) |
| Skien to Isola Capo Rizzuto | 1,437.97 mi (2,314.18 km) |
| Skien to Isola del Liri | 1,223.42 mi (1,968.90 km) |
| Skien to Isola della Scala | 965.00 mi (1,553.02 km) |
| Skien to Isola Vicentina | 941.23 mi (1,514.77 km) |
| Skien to Ispica | 1,567.82 mi (2,523.16 km) |
| Skien to Istrana | 940.44 mi (1,513.49 km) |
| Skien to Itri | 1,250.36 mi (2,012.27 km) |
