| Santarem to Manerbio | 1,047.67 mi (1,686.07 km) |
| Santarem to Manfredonia | 1,299.97 mi (2,092.11 km) |
| Santarem to Maniago | 1,182.82 mi (1,903.57 km) |
| Santarem to Mantova | 1,074.28 mi (1,728.88 km) |
| Santarem to Maranello | 1,067.17 mi (1,717.44 km) |
| Santarem to Marano di Napoli | 1,211.25 mi (1,949.32 km) |
| Santarem to Marano Vicentino | 1,114.57 mi (1,793.72 km) |
| Santarem to Marcianise | 1,217.03 mi (1,958.63 km) |
| Santarem to Marcon | 1,152.15 mi (1,854.21 km) |
| Santarem to Mareno di Piave | 1,159.81 mi (1,866.53 km) |
| Santarem to Margherita di Savoia | 1,312.47 mi (2,112.22 km) |
| Santarem to Mariano Comense | 1,011.39 mi (1,627.68 km) |
| Santarem to Marigliano | 1,225.08 mi (1,971.58 km) |
| Santarem to Marino | 1,132.40 mi (1,822.43 km) |
| Santarem to Marostica | 1,125.73 mi (1,811.69 km) |
