| Round Rock to Imatra | 5,427.42 mi (8,734.59 km) |
| Round Rock to Jakobstad | 5,168.62 mi (8,318.09 km) |
| Round Rock to Jamsa | 5,309.31 mi (8,544.52 km) |
| Round Rock to Janakkala | 5,339.98 mi (8,593.87 km) |
| Round Rock to Jarvenpaa | 5,371.49 mi (8,644.58 km) |
| Round Rock to Joensuu | 5,380.37 mi (8,658.87 km) |
| Round Rock to Joutseno | 5,424.10 mi (8,729.25 km) |
| Round Rock to Jyvaskyla | 5,305.31 mi (8,538.07 km) |
| Round Rock to Jyvaskylan Maalaiskunta | 5,303.11 mi (8,534.53 km) |
| Round Rock to Kaarina | 5,304.87 mi (8,537.37 km) |
| Round Rock to Kajaani | 5,256.53 mi (8,459.57 km) |
| Round Rock to Kalajoki | 5,170.93 mi (8,321.81 km) |
| Round Rock to Kangasala | 5,300.35 mi (8,530.09 km) |
| Round Rock to Kankaanpaa | 5,243.70 mi (8,438.92 km) |
| Round Rock to Karhula | 5,415.55 mi (8,715.48 km) |
