| Altensteig to Impruneta | 361.61 mi (581.96 km) |
| Altensteig to Induno Olona | 189.37 mi (304.76 km) |
| Altensteig to Inverigo | 199.21 mi (320.60 km) |
| Altensteig to Inveruno | 212.41 mi (341.84 km) |
| Altensteig to Inzago | 214.96 mi (345.94 km) |
| Altensteig to Iseo | 213.44 mi (343.50 km) |
| Altensteig to Isernia | 554.94 mi (893.09 km) |
| Altensteig to Isola Capo Rizzuto | 787.53 mi (1,267.40 km) |
| Altensteig to Isola del Liri | 534.87 mi (860.78 km) |
| Altensteig to Isola della Scala | 255.74 mi (411.57 km) |
| Altensteig to Isola Vicentina | 243.96 mi (392.61 km) |
| Altensteig to Ispica | 875.19 mi (1,408.49 km) |
| Altensteig to Istrana | 259.22 mi (417.17 km) |
| Altensteig to Itri | 558.93 mi (899.50 km) |
| Altensteig to Ittiri | 551.81 mi (888.05 km) |
