| Blackrock to Imatra | 1,394.23 mi (2,243.80 km) |
| Blackrock to Jakobstad | 1,248.02 mi (2,008.49 km) |
| Blackrock to Jamsa | 1,286.24 mi (2,070.00 km) |
| Blackrock to Janakkala | 1,255.39 mi (2,020.35 km) |
| Blackrock to Jarvenpaa | 1,264.83 mi (2,035.55 km) |
| Blackrock to Joensuu | 1,440.32 mi (2,317.98 km) |
| Blackrock to Joutseno | 1,384.94 mi (2,228.85 km) |
| Blackrock to Jyvaskyla | 1,309.77 mi (2,107.87 km) |
| Blackrock to Jyvaskylan Maalaiskunta | 1,310.53 mi (2,109.09 km) |
| Blackrock to Kaarina | 1,172.55 mi (1,887.04 km) |
| Blackrock to Kajaani | 1,404.70 mi (2,260.64 km) |
| Blackrock to Kalajoki | 1,298.45 mi (2,089.65 km) |
| Blackrock to Kangasala | 1,244.21 mi (2,002.36 km) |
| Blackrock to Kankaanpaa | 1,197.26 mi (1,926.80 km) |
| Blackrock to Karhula | 1,327.33 mi (2,136.14 km) |
