| Portsmouth to Imatra | 1,340.44 mi (2,157.23 km) |
| Portsmouth to Jakobstad | 1,243.13 mi (2,000.63 km) |
| Portsmouth to Jamsa | 1,248.92 mi (2,009.94 km) |
| Portsmouth to Janakkala | 1,205.45 mi (1,939.99 km) |
| Portsmouth to Jarvenpaa | 1,207.41 mi (1,943.13 km) |
| Portsmouth to Joensuu | 1,403.91 mi (2,259.37 km) |
| Portsmouth to Joutseno | 1,330.73 mi (2,141.60 km) |
| Portsmouth to Jyvaskyla | 1,276.46 mi (2,054.26 km) |
| Portsmouth to Jyvaskylan Maalaiskunta | 1,277.88 mi (2,056.55 km) |
| Portsmouth to Kaarina | 1,120.31 mi (1,802.96 km) |
| Portsmouth to Kajaani | 1,393.59 mi (2,242.77 km) |
| Portsmouth to Kalajoki | 1,297.76 mi (2,088.55 km) |
| Portsmouth to Kangasala | 1,203.77 mi (1,937.28 km) |
| Portsmouth to Kankaanpaa | 1,166.43 mi (1,877.19 km) |
| Portsmouth to Karhula | 1,267.13 mi (2,039.25 km) |
