| Niagara Falls to Melzo | 4,139.72 mi (6,662.24 km) |
| Niagara Falls to Mendicino | 4,670.88 mi (7,517.05 km) |
| Niagara Falls to Menfi | 4,602.74 mi (7,407.39 km) |
| Niagara Falls to Mentana | 4,408.10 mi (7,094.14 km) |
| Niagara Falls to Merano | 4,166.49 mi (6,705.31 km) |
| Niagara Falls to Merate | 4,132.99 mi (6,651.41 km) |
| Niagara Falls to Mercato San Severino | 4,546.95 mi (7,317.61 km) |
| Niagara Falls to Mercogliano | 4,540.15 mi (7,306.66 km) |
| Niagara Falls to Mesagne | 4,681.86 mi (7,534.72 km) |
| Niagara Falls to Messina | 4,689.39 mi (7,546.85 km) |
| Niagara Falls to Mestre | 4,254.45 mi (6,846.87 km) |
| Niagara Falls to Mestrino | 4,237.02 mi (6,818.82 km) |
| Niagara Falls to Milan | 4,131.68 mi (6,649.30 km) |
| Niagara Falls to Milazzo | 4,674.85 mi (7,523.44 km) |
| Niagara Falls to Minerbio | 4,257.03 mi (6,851.03 km) |
