| Porsgrunn to Kinston (North Carolina) | 4,075.19 mi (6,558.38 km) |
| Porsgrunn to Kirkland (Washington) | 4,572.31 mi (7,358.43 km) |
| Porsgrunn to Kirksville (Missouri) | 4,279.20 mi (6,886.70 km) |
| Porsgrunn to Kirkwood (Missouri) | 4,305.65 mi (6,929.27 km) |
| Porsgrunn to Kiryas Joel (New York) | 3,631.26 mi (5,843.95 km) |
| Porsgrunn to Kissimmee (Florida) | 4,597.81 mi (7,399.45 km) |
| Porsgrunn to Klamath Falls (Oregon) | 4,908.54 mi (7,899.53 km) |
| Porsgrunn to Knightdale (North Carolina) | 4,076.98 mi (6,561.26 km) |
| Porsgrunn to Knik-Fairview (Alaska) | 4,029.62 mi (6,485.05 km) |
| Porsgrunn to Knoxville (Tennessee) | 4,247.48 mi (6,835.65 km) |
| Porsgrunn to Kokomo (Indiana) | 4,066.38 mi (6,544.21 km) |
| Porsgrunn to Kuna (Idaho) | 4,712.98 mi (7,584.81 km) |
| Porsgrunn to Kyle (Texas) | 5,034.48 mi (8,102.21 km) |
| Porsgrunn to La Cañada Flintridge (California) | 5,333.47 mi (8,583.39 km) |
| Porsgrunn to La Crescenta-Montrose (California) | 5,332.89 mi (8,582.45 km) |
