| Cities | Distance |
|---|---|
| Opatija to Kobarid | 72.04 mi (115.94 km) |
| Opatija to Kobilje | 137.16 mi (220.74 km) |
| Opatija to Kocevje | 34.53 mi (55.57 km) |
| Opatija to Komen | 42.63 mi (68.61 km) |
| Opatija to Komenda | 61.48 mi (98.94 km) |
| Opatija to Koper | 31.29 mi (50.35 km) |
| Opatija to Kostanjevica na Krki | 64.92 mi (104.48 km) |
| Opatija to Kostel | 31.97 mi (51.45 km) |
| Opatija to Kozje | 79.43 mi (127.83 km) |
| Opatija to Kranj | 62.27 mi (100.21 km) |
| Opatija to Kranjska Gora | 83.33 mi (134.11 km) |
| Opatija to Krizevci | 122.60 mi (197.31 km) |
| Opatija to Krsko | 71.29 mi (114.74 km) |
| Opatija to Kuzma | 134.32 mi (216.17 km) |
| Opatija to Lasko | 72.67 mi (116.96 km) |