| Merrillville to Melzo | 4,542.71 mi (7,310.79 km) |
| Merrillville to Mendicino | 5,080.21 mi (8,175.81 km) |
| Merrillville to Menfi | 5,019.93 mi (8,078.79 km) |
| Merrillville to Mentana | 4,815.91 mi (7,750.45 km) |
| Merrillville to Merano | 4,563.67 mi (7,344.51 km) |
| Merrillville to Merate | 4,535.39 mi (7,299.01 km) |
| Merrillville to Mercato San Severino | 4,954.79 mi (7,973.97 km) |
| Merrillville to Mercogliano | 4,947.69 mi (7,962.54 km) |
| Merrillville to Mesagne | 5,085.73 mi (8,184.69 km) |
| Merrillville to Messina | 5,101.98 mi (8,210.84 km) |
| Merrillville to Mestre | 4,653.57 mi (7,489.19 km) |
| Merrillville to Mestrino | 4,636.93 mi (7,462.41 km) |
| Merrillville to Milan | 4,535.07 mi (7,298.48 km) |
| Merrillville to Milazzo | 5,087.82 mi (8,188.06 km) |
| Merrillville to Minerbio | 4,659.69 mi (7,499.05 km) |
