| Porsgrunn to Roermond | 566.13 mi (911.10 km) |
| Porsgrunn to Roosendaal | 562.79 mi (905.73 km) |
| Porsgrunn to Rosmalen | 538.56 mi (866.73 km) |
| Porsgrunn to Rotterdam | 537.14 mi (864.44 km) |
| Porsgrunn to Rozenburg | 541.61 mi (871.64 km) |
| Porsgrunn to Rucphen | 560.91 mi (902.70 km) |
| Porsgrunn to s-Gravendeel | 544.13 mi (875.69 km) |
| Porsgrunn to s-Gravenzande | 536.81 mi (863.91 km) |
| Porsgrunn to s-Heerenberg | 518.05 mi (833.73 km) |
| Porsgrunn to s-Hertogenbosch | 541.60 mi (871.61 km) |
| Porsgrunn to Sassenheim | 516.80 mi (831.71 km) |
| Porsgrunn to Schaesberg | 585.97 mi (943.04 km) |
| Porsgrunn to Schagen | 476.67 mi (767.12 km) |
| Porsgrunn to Scherpenzeel | 513.09 mi (825.73 km) |
| Porsgrunn to Scheveningen | 528.20 mi (850.06 km) |
