| Porsgrunn to Kidderminster | 655.65 mi (1,055.17 km) |
| Porsgrunn to Kidlington | 661.29 mi (1,064.24 km) |
| Porsgrunn to Kidsgrove | 619.50 mi (996.99 km) |
| Porsgrunn to Killamarsh | 581.43 mi (935.72 km) |
| Porsgrunn to Killingworth | 507.55 mi (816.82 km) |
| Porsgrunn to Kilmarnock | 580.60 mi (934.38 km) |
| Porsgrunn to Kilsyth | 553.29 mi (890.44 km) |
| Porsgrunn to Kilwinning | 586.06 mi (943.16 km) |
| Porsgrunn to King's Lynn | 567.34 mi (913.05 km) |
| Porsgrunn to Kings Norton | 645.96 mi (1,039.58 km) |
| Porsgrunn to Kingsnorth | 652.71 mi (1,050.43 km) |
| Porsgrunn to Kingsteignton | 791.52 mi (1,273.83 km) |
| Porsgrunn to Kingston upon Hull | 532.76 mi (857.39 km) |
| Porsgrunn to Kingston upon Thames | 660.88 mi (1,063.59 km) |
| Porsgrunn to Kingswinford | 647.61 mi (1,042.23 km) |
