| Porsgrunn to Kecskemet | 937.75 mi (1,509.17 km) |
| Porsgrunn to Kerepestarcsa | 889.14 mi (1,430.93 km) |
| Porsgrunn to Keszthely | 907.57 mi (1,460.59 km) |
| Porsgrunn to Kiskoros | 949.00 mi (1,527.27 km) |
| Porsgrunn to Kiskunfelegyhaza | 953.47 mi (1,534.47 km) |
| Porsgrunn to Kiskunhalas | 964.66 mi (1,552.46 km) |
| Porsgrunn to Kiskunlachaza | 907.11 mi (1,459.85 km) |
| Porsgrunn to Kiskunmajsa | 965.10 mi (1,553.18 km) |
| Porsgrunn to Kisujszallas | 938.31 mi (1,510.06 km) |
| Porsgrunn to Kisvarda | 904.39 mi (1,455.48 km) |
| Porsgrunn to Komarom | 857.34 mi (1,379.76 km) |
| Porsgrunn to Komlo | 960.41 mi (1,545.63 km) |
| Porsgrunn to Kormend | 882.87 mi (1,420.84 km) |
| Porsgrunn to Koszeg | 857.57 mi (1,380.13 km) |
| Porsgrunn to Lajosmizse | 927.71 mi (1,493.00 km) |
