| Effingham to Mountain Brook (Alabama) | 402.05 mi (647.04 km) |
| Effingham to Mountain Home (Arkansas) | 284.40 mi (457.70 km) |
| Effingham to Mountain Home (Idaho) | 1,433.15 mi (2,306.43 km) |
| Effingham to Mountain House (California) | 1,778.09 mi (2,861.57 km) |
| Effingham to Mountain Park (Georgia) | 439.29 mi (706.97 km) |
| Effingham to Mountain Top (Pennsylvania) | 681.79 mi (1,097.24 km) |
| Effingham to Mountain View (California) | 1,812.57 mi (2,917.05 km) |
| Effingham to Mountlake Terrace (Washington) | 1,779.19 mi (2,863.33 km) |
| Effingham to Mukilteo (Washington) | 1,780.02 mi (2,864.67 km) |
| Effingham to Muncie (Indiana) | 183.65 mi (295.55 km) |
| Effingham to Mundelein (Illinois) | 219.40 mi (353.08 km) |
| Effingham to Munhall (Pennsylvania) | 467.62 mi (752.56 km) |
| Effingham to Munster (Indiana) | 176.47 mi (284.00 km) |
| Effingham to Murfreesboro (Tennessee) | 254.62 mi (409.78 km) |
| Effingham to Murphy (Texas) | 616.23 mi (991.72 km) |
