| Sanlucar la Mayor to Manerbio | 1,007.68 mi (1,621.71 km) |
| Sanlucar la Mayor to Manfredonia | 1,211.32 mi (1,949.43 km) |
| Sanlucar la Mayor to Maniago | 1,143.78 mi (1,840.74 km) |
| Sanlucar la Mayor to Mantova | 1,029.85 mi (1,657.38 km) |
| Sanlucar la Mayor to Maranello | 1,015.48 mi (1,634.25 km) |
| Sanlucar la Mayor to Marano di Napoli | 1,116.24 mi (1,796.42 km) |
| Sanlucar la Mayor to Marano Vicentino | 1,074.23 mi (1,728.81 km) |
| Sanlucar la Mayor to Marcianise | 1,123.28 mi (1,807.74 km) |
| Sanlucar la Mayor to Marcon | 1,107.86 mi (1,782.92 km) |
| Sanlucar la Mayor to Mareno di Piave | 1,118.38 mi (1,799.86 km) |
| Sanlucar la Mayor to Margherita di Savoia | 1,221.33 mi (1,965.54 km) |
| Sanlucar la Mayor to Mariano Comense | 978.62 mi (1,574.93 km) |
| Sanlucar la Mayor to Marigliano | 1,130.33 mi (1,819.09 km) |
| Sanlucar la Mayor to Marino | 1,046.94 mi (1,684.89 km) |
| Sanlucar la Mayor to Marostica | 1,085.24 mi (1,746.52 km) |
