| Effingham to Marshall (Minnesota) | 523.64 mi (842.71 km) |
| Effingham to Marshall (Missouri) | 249.25 mi (401.12 km) |
| Effingham to Marshall (Texas) | 558.72 mi (899.18 km) |
| Effingham to Marshalltown (Iowa) | 304.53 mi (490.09 km) |
| Effingham to Marshfield (Wisconsin) | 391.89 mi (630.68 km) |
| Effingham to Martha Lake (Washington) | 1,776.22 mi (2,858.56 km) |
| Effingham to Martin (Tennessee) | 192.92 mi (310.47 km) |
| Effingham to Martinez (California) | 1,804.78 mi (2,904.51 km) |
| Effingham to Martinez (Georgia) | 527.63 mi (849.14 km) |
| Effingham to Martinsburg (West Virginia) | 565.57 mi (910.19 km) |
| Effingham to Martinsville (Indiana) | 115.17 mi (185.35 km) |
| Effingham to Martinsville (New Jersey) | 747.44 mi (1,202.90 km) |
| Effingham to Martinsville (Virginia) | 502.43 mi (808.58 km) |
| Effingham to Maryland City (Maryland) | 629.27 mi (1,012.71 km) |
| Effingham to Maryland Heights (Missouri) | 107.08 mi (172.33 km) |
