| Cities | Distance |
|---|---|
| Portsmouth to Mouscron | 188.11 mi (302.73 km) |
| Portsmouth to Namur | 261.89 mi (421.47 km) |
| Portsmouth to Neder-Over-Heembeek | 238.65 mi (384.08 km) |
| Portsmouth to Neerpelt | 284.84 mi (458.41 km) |
| Portsmouth to Nevele | 202.56 mi (325.99 km) |
| Portsmouth to Niel | 236.81 mi (381.11 km) |
| Portsmouth to Nieuwpoort | 168.34 mi (270.92 km) |
| Portsmouth to Nijlen | 250.72 mi (403.49 km) |
| Portsmouth to Ninove | 222.75 mi (358.49 km) |
| Portsmouth to Nivelles | 236.96 mi (381.35 km) |
| Portsmouth to Olen | 259.30 mi (417.31 km) |
| Portsmouth to Oostakker | 212.21 mi (341.51 km) |
| Portsmouth to Oosterzele | 213.26 mi (343.20 km) |
| Portsmouth to Oostkamp | 189.54 mi (305.03 km) |
| Portsmouth to Opglabbeek | 290.89 mi (468.14 km) |