| Duffel to Impruneta | 600.92 mi (967.08 km) |
| Duffel to Induno Olona | 412.96 mi (664.59 km) |
| Duffel to Inverigo | 428.68 mi (689.90 km) |
| Duffel to Inveruno | 433.95 mi (698.38 km) |
| Duffel to Inzago | 446.99 mi (719.36 km) |
| Duffel to Iseo | 453.49 mi (729.82 km) |
| Duffel to Isernia | 802.01 mi (1,290.70 km) |
| Duffel to Isola Capo Rizzuto | 1,036.61 mi (1,668.27 km) |
| Duffel to Isola del Liri | 779.70 mi (1,254.80 km) |
| Duffel to Isola della Scala | 501.38 mi (806.89 km) |
| Duffel to Isola Vicentina | 493.47 mi (794.17 km) |
| Duffel to Ispica | 1,113.42 mi (1,791.88 km) |
| Duffel to Istrana | 510.48 mi (821.54 km) |
| Duffel to Itri | 802.43 mi (1,291.38 km) |
| Duffel to Ittiri | 750.90 mi (1,208.46 km) |
