| Porsgrunn to Kothen | 516.14 mi (830.65 km) |
| Porsgrunn to Kranenburg | 526.35 mi (847.08 km) |
| Porsgrunn to Krefeld | 551.63 mi (887.77 km) |
| Porsgrunn to Kressbronn am Bodensee | 795.95 mi (1,280.96 km) |
| Porsgrunn to Kreuzau | 591.99 mi (952.72 km) |
| Porsgrunn to Kreuztal | 567.20 mi (912.82 km) |
| Porsgrunn to Kriftel | 626.06 mi (1,007.54 km) |
| Porsgrunn to Kronach | 616.52 mi (992.19 km) |
| Porsgrunn to Kronberg | 619.03 mi (996.23 km) |
| Porsgrunn to Kronshagen | 330.73 mi (532.25 km) |
| Porsgrunn to Krumbach | 751.21 mi (1,208.96 km) |
| Porsgrunn to Kulmbach | 626.67 mi (1,008.53 km) |
| Porsgrunn to Kummersbruck | 675.75 mi (1,087.51 km) |
| Porsgrunn to Kunzell | 591.83 mi (952.45 km) |
| Porsgrunn to Kunzelsau | 679.35 mi (1,093.30 km) |
