| North Potomac to Imatra | 4,373.31 mi (7,038.16 km) |
| North Potomac to Jakobstad | 4,119.20 mi (6,629.21 km) |
| North Potomac to Jamsa | 4,248.16 mi (6,836.75 km) |
| North Potomac to Janakkala | 4,266.17 mi (6,865.74 km) |
| North Potomac to Jarvenpaa | 4,294.60 mi (6,911.49 km) |
| North Potomac to Joensuu | 4,346.07 mi (6,994.32 km) |
| North Potomac to Joutseno | 4,368.20 mi (7,029.95 km) |
| North Potomac to Jyvaskyla | 4,250.58 mi (6,840.64 km) |
| North Potomac to Jyvaskylan Maalaiskunta | 4,248.91 mi (6,837.97 km) |
| North Potomac to Kaarina | 4,216.73 mi (6,786.17 km) |
| North Potomac to Kajaani | 4,232.71 mi (6,811.89 km) |
| North Potomac to Kalajoki | 4,133.26 mi (6,651.84 km) |
| North Potomac to Kangasala | 4,230.36 mi (6,808.11 km) |
| North Potomac to Kankaanpaa | 4,171.30 mi (6,713.06 km) |
| North Potomac to Karhula | 4,346.54 mi (6,995.08 km) |
