| Lake Ronkonkoma to Imatra | 4,155.78 mi (6,688.08 km) |
| Lake Ronkonkoma to Jakobstad | 3,903.60 mi (6,282.24 km) |
| Lake Ronkonkoma to Jamsa | 4,029.93 mi (6,485.54 km) |
| Lake Ronkonkoma to Janakkala | 4,045.68 mi (6,510.89 km) |
| Lake Ronkonkoma to Jarvenpaa | 4,073.46 mi (6,555.61 km) |
| Lake Ronkonkoma to Joensuu | 4,132.11 mi (6,649.99 km) |
| Lake Ronkonkoma to Joutseno | 4,150.39 mi (6,679.41 km) |
| Lake Ronkonkoma to Jyvaskyla | 4,033.46 mi (6,491.23 km) |
| Lake Ronkonkoma to Jyvaskylan Maalaiskunta | 4,031.90 mi (6,488.72 km) |
| Lake Ronkonkoma to Kaarina | 3,993.96 mi (6,427.65 km) |
| Lake Ronkonkoma to Kajaani | 4,021.15 mi (6,471.41 km) |
| Lake Ronkonkoma to Kalajoki | 3,919.71 mi (6,308.16 km) |
| Lake Ronkonkoma to Kangasala | 4,010.67 mi (6,454.55 km) |
| Lake Ronkonkoma to Kankaanpaa | 3,951.43 mi (6,359.22 km) |
| Lake Ronkonkoma to Karhula | 4,126.56 mi (6,641.06 km) |
