| Kalkar to Impruneta | 602.07 mi (968.94 km) |
| Kalkar to Induno Olona | 422.93 mi (680.64 km) |
| Kalkar to Inverigo | 435.72 mi (701.23 km) |
| Kalkar to Inveruno | 445.42 mi (716.83 km) |
| Kalkar to Inzago | 452.73 mi (728.59 km) |
| Kalkar to Iseo | 453.62 mi (730.02 km) |
| Kalkar to Isernia | 794.16 mi (1,278.08 km) |
| Kalkar to Isola Capo Rizzuto | 1,024.61 mi (1,648.94 km) |
| Kalkar to Isola del Liri | 775.00 mi (1,247.25 km) |
| Kalkar to Isola della Scala | 496.21 mi (798.56 km) |
| Kalkar to Isola Vicentina | 482.73 mi (776.88 km) |
| Kalkar to Ispica | 1,115.81 mi (1,795.72 km) |
| Kalkar to Istrana | 494.78 mi (796.28 km) |
| Kalkar to Itri | 799.32 mi (1,286.38 km) |
| Kalkar to Ittiri | 777.18 mi (1,250.74 km) |
