| Effingham to Morristown (New Jersey) | 753.45 mi (1,212.56 km) |
| Effingham to Morristown (Tennessee) | 350.73 mi (564.44 km) |
| Effingham to Morrisville (North Carolina) | 578.64 mi (931.23 km) |
| Effingham to Morro Bay (California) | 1,785.70 mi (2,873.81 km) |
| Effingham to Morton (Illinois) | 114.02 mi (183.50 km) |
| Effingham to Morton Grove (Illinois) | 205.80 mi (331.20 km) |
| Effingham to Moscow (Idaho) | 1,522.19 mi (2,449.72 km) |
| Effingham to Moses Lake (Washington) | 1,632.64 mi (2,627.48 km) |
| Effingham to Moss Bluff (Louisiana) | 663.79 mi (1,068.26 km) |
| Effingham to Moss Point (Mississippi) | 600.86 mi (967.00 km) |
| Effingham to Moultrie (Georgia) | 612.56 mi (985.81 km) |
| Effingham to Mounds View (Minnesota) | 477.35 mi (768.23 km) |
| Effingham to Mount Airy (North Carolina) | 469.03 mi (754.82 km) |
| Effingham to Mount Clemens (Michigan) | 381.26 mi (613.57 km) |
| Effingham to Mount Dora (Florida) | 814.31 mi (1,310.51 km) |
