| Porsgrunn to Southwick | 507.80 mi (817.23 km) |
| Porsgrunn to Southwick | 693.34 mi (1,115.82 km) |
| Porsgrunn to Sowerby Bridge | 578.92 mi (931.69 km) |
| Porsgrunn to Spalding | 579.21 mi (932.15 km) |
| Porsgrunn to Spennymoor | 523.12 mi (841.88 km) |
| Porsgrunn to Spitalfields | 649.51 mi (1,045.28 km) |
| Porsgrunn to Spondon | 604.65 mi (973.10 km) |
| Porsgrunn to Stafford | 630.16 mi (1,014.15 km) |
| Porsgrunn to Staines-upon-Thames | 664.44 mi (1,069.31 km) |
| Porsgrunn to Stalybridge | 593.79 mi (955.61 km) |
| Porsgrunn to Stamford | 594.74 mi (957.14 km) |
| Porsgrunn to Standish | 606.99 mi (976.86 km) |
| Porsgrunn to Stanford le Hope | 638.38 mi (1,027.38 km) |
| Porsgrunn to Stanley | 566.21 mi (911.22 km) |
| Porsgrunn to Stanmore | 649.16 mi (1,044.73 km) |
