| Merrillville to Manerbio | 4,576.35 mi (7,364.92 km) |
| Merrillville to Manfredonia | 4,963.31 mi (7,987.67 km) |
| Merrillville to Maniago | 4,644.01 mi (7,473.81 km) |
| Merrillville to Mantova | 4,610.77 mi (7,420.32 km) |
| Merrillville to Maranello | 4,639.24 mi (7,466.13 km) |
| Merrillville to Marano di Napoli | 4,926.10 mi (7,927.79 km) |
| Merrillville to Marano Vicentino | 4,613.70 mi (7,425.03 km) |
| Merrillville to Marcianise | 4,925.00 mi (7,926.02 km) |
| Merrillville to Marcon | 4,653.30 mi (7,488.77 km) |
| Merrillville to Mareno di Piave | 4,643.48 mi (7,472.96 km) |
| Merrillville to Margherita di Savoia | 4,984.39 mi (8,021.60 km) |
| Merrillville to Mariano Comense | 4,525.53 mi (7,283.14 km) |
| Merrillville to Marigliano | 4,935.43 mi (7,942.80 km) |
| Merrillville to Marino | 4,827.25 mi (7,768.71 km) |
| Merrillville to Marostica | 4,620.45 mi (7,435.90 km) |
