| Effingham to Manassas (Virginia) | 594.99 mi (957.55 km) |
| Effingham to Manassas Park (Virginia) | 597.02 mi (960.82 km) |
| Effingham to Manatí (Puerto Rico) | 1,946.23 mi (3,132.15 km) |
| Effingham to Manchester (Missouri) | 111.58 mi (179.57 km) |
| Effingham to Manchester (New Hampshire) | 928.52 mi (1,494.31 km) |
| Effingham to Manchester (Tennessee) | 286.93 mi (461.77 km) |
| Effingham to Manchester (Virginia) | 607.15 mi (977.11 km) |
| Effingham to Mandan (North Dakota) | 818.39 mi (1,317.06 km) |
| Effingham to Mandeville (Louisiana) | 610.51 mi (982.52 km) |
| Effingham to Mango (Florida) | 848.26 mi (1,365.14 km) |
| Effingham to Manhattan (Kansas) | 431.40 mi (694.27 km) |
| Effingham to Manhattan (New York) | 780.05 mi (1,255.37 km) |
| Effingham to Manhattan Beach (California) | 1,688.43 mi (2,717.26 km) |
| Effingham to Manitowoc (Wisconsin) | 346.90 mi (558.29 km) |
| Effingham to Mankato (Minnesota) | 447.31 mi (719.88 km) |
