| Kastav to Jakobstad | 1,304.87 mi (2,099.98 km) |
| Kastav to Jamsa | 1,219.10 mi (1,961.95 km) |
| Kastav to Janakkala | 1,152.35 mi (1,854.52 km) |
| Kastav to Jarvenpaa | 1,131.84 mi (1,821.53 km) |
| Kastav to Joensuu | 1,336.61 mi (2,151.07 km) |
| Kastav to Joutseno | 1,229.36 mi (1,978.46 km) |
| Kastav to Jyvaskyla | 1,250.33 mi (2,012.21 km) |
| Kastav to Jyvaskylan Maalaiskunta | 1,253.25 mi (2,016.91 km) |
| Kastav to Kaarina | 1,088.72 mi (1,752.12 km) |
| Kastav to Kajaani | 1,400.69 mi (2,254.19 km) |
| Kastav to Kalajoki | 1,356.55 mi (2,183.16 km) |
| Kastav to Kangasala | 1,178.44 mi (1,896.52 km) |
| Kastav to Kankaanpaa | 1,179.80 mi (1,898.70 km) |
| Kastav to Karhula | 1,165.42 mi (1,875.55 km) |
| Kastav to Karis | 1,085.14 mi (1,746.36 km) |
