| Effingham to Kinston (North Carolina) | 658.39 mi (1,059.58 km) |
| Effingham to Kirkland (Washington) | 1,773.68 mi (2,854.46 km) |
| Effingham to Kirksville (Missouri) | 226.62 mi (364.71 km) |
| Effingham to Kirkwood (Missouri) | 107.33 mi (172.72 km) |
| Effingham to Kiryas Joel (New York) | 773.15 mi (1,244.26 km) |
| Effingham to Kissimmee (Florida) | 851.70 mi (1,370.69 km) |
| Effingham to Klamath Falls (Oregon) | 1,743.12 mi (2,805.28 km) |
| Effingham to Knightdale (North Carolina) | 597.07 mi (960.90 km) |
| Effingham to Knik-Fairview (Alaska) | 2,958.30 mi (4,760.92 km) |
| Effingham to Knoxville (Tennessee) | 333.00 mi (535.92 km) |
| Effingham to Kokomo (Indiana) | 158.63 mi (255.29 km) |
| Effingham to Kuna (Idaho) | 1,469.02 mi (2,364.16 km) |
| Effingham to Kyle (Texas) | 823.51 mi (1,325.31 km) |
| Effingham to La Cañada Flintridge (California) | 1,670.08 mi (2,687.73 km) |
| Effingham to La Crescenta-Montrose (California) | 1,671.41 mi (2,689.88 km) |
