| Opatija to Impruneta | 188.61 mi (303.54 km) |
| Opatija to Induno Olona | 266.66 mi (429.14 km) |
| Opatija to Inverigo | 247.53 mi (398.37 km) |
| Opatija to Inveruno | 264.54 mi (425.73 km) |
| Opatija to Inzago | 233.91 mi (376.45 km) |
| Opatija to Iseo | 206.86 mi (332.91 km) |
| Opatija to Isernia | 257.77 mi (414.84 km) |
| Opatija to Isola Capo Rizzuto | 463.05 mi (745.20 km) |
| Opatija to Isola del Liri | 255.07 mi (410.50 km) |
| Opatija to Isola della Scala | 159.91 mi (257.34 km) |
| Opatija to Isola Vicentina | 139.60 mi (224.67 km) |
| Opatija to Ispica | 591.57 mi (952.04 km) |
| Opatija to Istrana | 109.23 mi (175.79 km) |
| Opatija to Itri | 282.47 mi (454.59 km) |
| Opatija to Ittiri | 436.78 mi (702.93 km) |
