| Effingham to Keizer (Oregon) | 1,799.97 mi (2,896.77 km) |
| Effingham to Keller (Texas) | 645.72 mi (1,039.19 km) |
| Effingham to Kelso (Washington) | 1,796.22 mi (2,890.74 km) |
| Effingham to Kemp Mill (Maryland) | 617.98 mi (994.54 km) |
| Effingham to Ken Caryl (Colorado) | 884.30 mi (1,423.14 km) |
| Effingham to Kendale Lakes (Florida) | 1,040.19 mi (1,674.02 km) |
| Effingham to Kendall (Florida) | 1,043.97 mi (1,680.10 km) |
| Effingham to Kendall Park (New Jersey) | 747.43 mi (1,202.87 km) |
| Effingham to Kendall West (Florida) | 1,039.47 mi (1,672.87 km) |
| Effingham to Kenmore (New York) | 569.57 mi (916.63 km) |
| Effingham to Kenmore (Washington) | 1,776.14 mi (2,858.41 km) |
| Effingham to Kenner (Louisiana) | 636.80 mi (1,024.83 km) |
| Effingham to Kennesaw (Georgia) | 414.06 mi (666.36 km) |
| Effingham to Kennett (Missouri) | 215.18 mi (346.29 km) |
| Effingham to Kennewick (Washington) | 1,619.39 mi (2,606.16 km) |
