| Porsgrunn to Sonneberg | 608.39 mi (979.11 km) |
| Porsgrunn to Sonsbeck | 534.75 mi (860.60 km) |
| Porsgrunn to Sonthofen | 801.81 mi (1,290.38 km) |
| Porsgrunn to Spaichingen | 763.80 mi (1,229.21 km) |
| Porsgrunn to Spelle | 474.33 mi (763.36 km) |
| Porsgrunn to Spenge | 484.78 mi (780.17 km) |
| Porsgrunn to Speyer | 678.79 mi (1,092.40 km) |
| Porsgrunn to Spiesen-Elversberg | 684.86 mi (1,102.18 km) |
| Porsgrunn to Spremberg | 552.25 mi (888.75 km) |
| Porsgrunn to Springe | 476.71 mi (767.19 km) |
| Porsgrunn to Sprockhovel | 544.00 mi (875.48 km) |
| Porsgrunn to Stade | 381.14 mi (613.39 km) |
| Porsgrunn to Stadtallendorf | 572.90 mi (922.00 km) |
| Porsgrunn to Stadthagen | 469.61 mi (755.76 km) |
| Porsgrunn to Stadtlohn | 504.02 mi (811.14 km) |
