| Porsgrunn to Shotley Bridge | 523.96 mi (843.23 km) |
| Porsgrunn to Shrewsbury | 653.07 mi (1,051.02 km) |
| Porsgrunn to Sidcup | 650.76 mi (1,047.30 km) |
| Porsgrunn to Sidmouth | 774.76 mi (1,246.86 km) |
| Porsgrunn to Sileby | 606.79 mi (976.54 km) |
| Porsgrunn to Sittingbourne | 641.88 mi (1,033.00 km) |
| Porsgrunn to Skegness | 547.05 mi (880.39 km) |
| Porsgrunn to Skelmersdale | 612.03 mi (984.97 km) |
| Porsgrunn to Skipton | 569.90 mi (917.17 km) |
| Porsgrunn to Sleaford | 574.40 mi (924.40 km) |
| Porsgrunn to Slough | 661.96 mi (1,065.32 km) |
| Porsgrunn to Small Heath | 641.04 mi (1,031.65 km) |
| Porsgrunn to Smethwick | 642.52 mi (1,034.04 km) |
| Porsgrunn to Snaresbrook | 643.34 mi (1,035.35 km) |
| Porsgrunn to Snodland | 648.94 mi (1,044.37 km) |
