| Porsgrunn to Kirchlengern | 479.65 mi (771.91 km) |
| Porsgrunn to Kirchlinteln | 426.77 mi (686.81 km) |
| Porsgrunn to Kirchseeon | 768.06 mi (1,236.07 km) |
| Porsgrunn to Kirchzarten | 773.63 mi (1,245.03 km) |
| Porsgrunn to Kirkel | 686.56 mi (1,104.91 km) |
| Porsgrunn to Kissing | 749.06 mi (1,205.50 km) |
| Porsgrunn to Kisslegg | 782.56 mi (1,259.40 km) |
| Porsgrunn to Kitzingen | 648.51 mi (1,043.68 km) |
| Porsgrunn to Kleinblittersdorf | 696.29 mi (1,120.57 km) |
| Porsgrunn to Kleve | 524.93 mi (844.80 km) |
| Porsgrunn to Klipphausen | 574.95 mi (925.30 km) |
| Porsgrunn to Klotze | 451.86 mi (727.19 km) |
| Porsgrunn to Koblenz | 610.73 mi (982.88 km) |
| Porsgrunn to Kolbermoor | 784.26 mi (1,262.14 km) |
| Porsgrunn to Kolkwitz | 538.80 mi (867.12 km) |
