| Porsgrunn to Kaneohe (Hawaii) | 6,827.86 mi (10,988.37 km) |
| Porsgrunn to Kankakee (Illinois) | 4,084.99 mi (6,574.15 km) |
| Porsgrunn to Kannapolis (North Carolina) | 4,166.07 mi (6,704.64 km) |
| Porsgrunn to Kansas City (Kansas) | 4,405.43 mi (7,089.85 km) |
| Porsgrunn to Kansas City (Missouri) | 4,399.75 mi (7,080.72 km) |
| Porsgrunn to Kapaa (Hawaii) | 6,791.37 mi (10,929.66 km) |
| Porsgrunn to Kapolei (Hawaii) | 6,834.39 mi (10,998.89 km) |
| Porsgrunn to Katy (Texas) | 4,983.13 mi (8,019.57 km) |
| Porsgrunn to Kaukauna (Wisconsin) | 3,921.69 mi (6,311.35 km) |
| Porsgrunn to Kaysville (Utah) | 4,759.93 mi (7,660.36 km) |
| Porsgrunn to Kearney (Missouri) | 4,380.70 mi (7,050.05 km) |
| Porsgrunn to Kearney (Nebraska) | 4,439.97 mi (7,145.44 km) |
| Porsgrunn to Kearns (Utah) | 4,784.52 mi (7,699.94 km) |
| Porsgrunn to Kearny (New Jersey) | 3,660.91 mi (5,891.66 km) |
| Porsgrunn to Keene (New Hampshire) | 3,484.66 mi (5,608.01 km) |
