| Porsgrunn to Stannington | 583.84 mi (939.59 km) |
| Porsgrunn to Stansted Mountfitchet | 621.01 mi (999.41 km) |
| Porsgrunn to Stanwell | 662.18 mi (1,065.67 km) |
| Porsgrunn to Stapleford | 600.75 mi (966.81 km) |
| Porsgrunn to Staveley | 585.07 mi (941.57 km) |
| Porsgrunn to Stepney | 648.93 mi (1,044.35 km) |
| Porsgrunn to Stevenage | 630.17 mi (1,014.17 km) |
| Porsgrunn to Stevenston | 588.26 mi (946.71 km) |
| Porsgrunn to Stirling | 544.63 mi (876.50 km) |
| Porsgrunn to Stockport | 600.65 mi (966.65 km) |
| Porsgrunn to Stocksbridge | 581.17 mi (935.30 km) |
| Porsgrunn to Stockton-on-Tees | 520.84 mi (838.21 km) |
| Porsgrunn to Stoke Gifford | 710.52 mi (1,143.48 km) |
| Porsgrunn to Stoke-on-Trent | 622.11 mi (1,001.20 km) |
| Porsgrunn to Stone | 626.29 mi (1,007.92 km) |
