| Rockville Centre to Melzo | 4,011.42 mi (6,455.76 km) |
| Rockville Centre to Mendicino | 4,528.13 mi (7,287.32 km) |
| Rockville Centre to Menfi | 4,444.62 mi (7,152.92 km) |
| Rockville Centre to Mentana | 4,269.54 mi (6,871.15 km) |
| Rockville Centre to Merano | 4,048.01 mi (6,514.64 km) |
| Rockville Centre to Merate | 4,005.77 mi (6,446.67 km) |
| Rockville Centre to Mercato San Severino | 4,407.61 mi (7,093.36 km) |
| Rockville Centre to Mercogliano | 4,401.40 mi (7,083.36 km) |
| Rockville Centre to Mesagne | 4,549.00 mi (7,320.91 km) |
| Rockville Centre to Messina | 4,540.29 mi (7,306.90 km) |
| Rockville Centre to Mestre | 4,132.17 mi (6,650.08 km) |
| Rockville Centre to Mestrino | 4,113.50 mi (6,620.05 km) |
| Rockville Centre to Milan | 4,002.73 mi (6,441.76 km) |
| Rockville Centre to Milazzo | 4,525.06 mi (7,282.38 km) |
| Rockville Centre to Minerbio | 4,128.62 mi (6,644.38 km) |
