| South Plainfield to Kalispell (Montana) | 2,015.18 mi (3,243.12 km) |
| South Plainfield to Kaneohe (Hawaii) | 4,933.18 mi (7,939.18 km) |
| South Plainfield to Kankakee (Illinois) | 703.27 mi (1,131.80 km) |
| South Plainfield to Kannapolis (North Carolina) | 488.52 mi (786.19 km) |
| South Plainfield to Kansas City (Kansas) | 1,080.60 mi (1,739.05 km) |
| South Plainfield to Kansas City (Missouri) | 1,070.61 mi (1,722.99 km) |
| South Plainfield to Kapaa (Hawaii) | 4,984.24 mi (8,021.36 km) |
| South Plainfield to Kapolei (Hawaii) | 4,950.15 mi (7,966.50 km) |
| South Plainfield to Katy (Texas) | 1,414.88 mi (2,277.03 km) |
| South Plainfield to Kaukauna (Wisconsin) | 750.07 mi (1,207.11 km) |
| South Plainfield to Kaysville (Utah) | 1,947.82 mi (3,134.71 km) |
| South Plainfield to Kearney (Missouri) | 1,057.27 mi (1,701.52 km) |
| South Plainfield to Kearney (Nebraska) | 1,289.12 mi (2,074.63 km) |
| South Plainfield to Kearns (Utah) | 1,956.50 mi (3,148.68 km) |
| South Plainfield to Kearny (New Jersey) | 19.76 mi (31.79 km) |
