| Longford to Manfredonia | 1,372.94 mi (2,209.53 km) |
| Longford to Maniago | 1,045.66 mi (1,682.83 km) |
| Longford to Mantova | 1,018.86 mi (1,639.70 km) |
| Longford to Maranello | 1,050.93 mi (1,691.31 km) |
| Longford to Marano di Napoli | 1,348.62 mi (2,170.40 km) |
| Longford to Marano Vicentino | 1,017.67 mi (1,637.77 km) |
| Longford to Marcianise | 1,345.79 mi (2,165.85 km) |
| Longford to Marcon | 1,056.28 mi (1,699.92 km) |
| Longford to Mareno di Piave | 1,045.76 mi (1,682.98 km) |
| Longford to Margherita di Savoia | 1,394.55 mi (2,244.32 km) |
| Longford to Mariano Comense | 935.93 mi (1,506.23 km) |
| Longford to Marigliano | 1,356.16 mi (2,182.53 km) |
| Longford to Marino | 1,251.60 mi (2,014.25 km) |
| Longford to Marostica | 1,023.88 mi (1,647.77 km) |
| Longford to Marsala | 1,460.07 mi (2,349.76 km) |
