| Merrillville to Massarosa | 4,645.28 mi (7,475.86 km) |
| Merrillville to Matelica | 4,777.54 mi (7,688.71 km) |
| Merrillville to Matera | 5,033.54 mi (8,100.70 km) |
| Merrillville to Matino | 5,123.22 mi (8,245.03 km) |
| Merrillville to Mazzarino | 5,085.45 mi (8,184.24 km) |
| Merrillville to Meda | 4,526.20 mi (7,284.21 km) |
| Merrillville to Medesano | 4,601.29 mi (7,405.07 km) |
| Merrillville to Medicina | 4,671.61 mi (7,518.24 km) |
| Merrillville to Meldola | 4,702.62 mi (7,568.14 km) |
| Merrillville to Melegnano | 4,544.68 mi (7,313.95 km) |
| Merrillville to Melendugno | 5,120.49 mi (8,240.63 km) |
| Merrillville to Melfi | 4,980.73 mi (8,015.72 km) |
| Merrillville to Melilli | 5,129.13 mi (8,254.53 km) |
| Merrillville to Melito di Napoli | 4,927.39 mi (7,929.87 km) |
| Merrillville to Melito di Porto Salvo | 5,123.89 mi (8,246.11 km) |
