| Harderwijk to Imola | 618.90 mi (996.03 km) |
| Harderwijk to Impruneta | 652.47 mi (1,050.05 km) |
| Harderwijk to Induno Olona | 471.97 mi (759.56 km) |
| Harderwijk to Inverigo | 485.22 mi (780.88 km) |
| Harderwijk to Inveruno | 494.29 mi (795.48 km) |
| Harderwijk to Inzago | 502.43 mi (808.58 km) |
| Harderwijk to Iseo | 503.94 mi (811.01 km) |
| Harderwijk to Isernia | 845.17 mi (1,360.18 km) |
| Harderwijk to Isola Capo Rizzuto | 1,075.66 mi (1,731.11 km) |
| Harderwijk to Isola del Liri | 825.90 mi (1,329.15 km) |
| Harderwijk to Isola della Scala | 546.98 mi (880.28 km) |
| Harderwijk to Isola Vicentina | 533.74 mi (858.97 km) |
| Harderwijk to Ispica | 1,166.35 mi (1,877.05 km) |
| Harderwijk to Istrana | 545.85 mi (878.45 km) |
| Harderwijk to Itri | 850.14 mi (1,368.17 km) |
