| Portsmouth to Luzzara | 677.07 mi (1,089.64 km) |
| Portsmouth to Luzzi | 1,149.08 mi (1,849.27 km) |
| Portsmouth to Macerata | 856.22 mi (1,377.95 km) |
| Portsmouth to Macerata Campania | 994.95 mi (1,601.21 km) |
| Portsmouth to Macomer | 869.20 mi (1,398.84 km) |
| Portsmouth to Maddaloni | 1,000.74 mi (1,610.54 km) |
| Portsmouth to Magenta | 588.64 mi (947.32 km) |
| Portsmouth to Magione | 817.68 mi (1,315.94 km) |
| Portsmouth to Maglie | 1,182.62 mi (1,903.24 km) |
| Portsmouth to Magnago | 580.46 mi (934.16 km) |
| Portsmouth to Malalbergo | 719.96 mi (1,158.66 km) |
| Portsmouth to Malnate | 573.31 mi (922.65 km) |
| Portsmouth to Malo | 674.72 mi (1,085.86 km) |
| Portsmouth to Mandello del Lario | 584.14 mi (940.08 km) |
| Portsmouth to Manduria | 1,150.13 mi (1,850.96 km) |
