| Portsmouth to Mikkeli | 1,306.04 mi (2,101.87 km) |
| Portsmouth to Mikkelin Maalaiskunta | 1,303.93 mi (2,098.48 km) |
| Portsmouth to Muhos | 1,368.91 mi (2,203.05 km) |
| Portsmouth to Muurame | 1,271.06 mi (2,045.58 km) |
| Portsmouth to Naantali | 1,112.13 mi (1,789.80 km) |
| Portsmouth to Narpes | 1,161.32 mi (1,868.97 km) |
| Portsmouth to Nastola | 1,246.04 mi (2,005.30 km) |
| Portsmouth to Nivala | 1,311.11 mi (2,110.02 km) |
| Portsmouth to Nokia | 1,187.66 mi (1,911.36 km) |
| Portsmouth to Nurmijarvi | 1,198.24 mi (1,928.39 km) |
| Portsmouth to Nurmo | 1,216.88 mi (1,958.37 km) |
| Portsmouth to Orimattila | 1,236.04 mi (1,989.21 km) |
| Portsmouth to Orivesi | 1,218.88 mi (1,961.60 km) |
| Portsmouth to Oulu | 1,363.83 mi (2,194.87 km) |
| Portsmouth to Oulunsalo | 1,359.42 mi (2,187.78 km) |
