| Waltham to Malvern (Arkansas) | 1,288.38 mi (2,073.45 km) |
| Waltham to Manassas (Virginia) | 412.84 mi (664.41 km) |
| Waltham to Manassas Park (Virginia) | 410.13 mi (660.04 km) |
| Waltham to Manatí (Puerto Rico) | 1,678.92 mi (2,701.96 km) |
| Waltham to Manchester (Missouri) | 1,043.39 mi (1,679.18 km) |
| Waltham to Manchester (New Hampshire) | 42.44 mi (68.29 km) |
| Waltham to Manchester (Tennessee) | 927.99 mi (1,493.45 km) |
| Waltham to Manchester (Virginia) | 474.97 mi (764.39 km) |
| Waltham to Mandan (North Dakota) | 1,480.76 mi (2,383.05 km) |
| Waltham to Mandeville (Louisiana) | 1,331.96 mi (2,143.58 km) |
| Waltham to Mango (Florida) | 1,172.34 mi (1,886.70 km) |
| Waltham to Manhattan (Kansas) | 1,339.91 mi (2,156.37 km) |
| Waltham to Manhattan (New York) | 179.21 mi (288.41 km) |
| Waltham to Manhattan Beach (California) | 2,594.36 mi (4,175.21 km) |
| Waltham to Manitowoc (Wisconsin) | 834.34 mi (1,342.74 km) |
