| Leiria to Manerbio | 1,035.66 mi (1,666.73 km) |
| Leiria to Manfredonia | 1,296.92 mi (2,087.19 km) |
| Leiria to Maniago | 1,170.20 mi (1,883.26 km) |
| Leiria to Mantova | 1,063.00 mi (1,710.73 km) |
| Leiria to Maranello | 1,057.29 mi (1,701.54 km) |
| Leiria to Marano di Napoli | 1,209.78 mi (1,946.96 km) |
| Leiria to Marano Vicentino | 1,102.39 mi (1,774.13 km) |
| Leiria to Marcianise | 1,215.28 mi (1,955.80 km) |
| Leiria to Marcon | 1,140.60 mi (1,835.62 km) |
| Leiria to Mareno di Piave | 1,147.70 mi (1,847.04 km) |
| Leiria to Margherita di Savoia | 1,309.92 mi (2,108.11 km) |
| Leiria to Mariano Comense | 998.17 mi (1,606.41 km) |
| Leiria to Marigliano | 1,223.52 mi (1,969.07 km) |
| Leiria to Marino | 1,129.10 mi (1,817.12 km) |
| Leiria to Marostica | 1,113.55 mi (1,792.08 km) |
