| Porsgrunn to Slobozia | 1,248.32 mi (2,008.97 km) |
| Porsgrunn to Sovata | 1,071.15 mi (1,723.86 km) |
| Porsgrunn to Strehaia | 1,150.02 mi (1,850.77 km) |
| Porsgrunn to Suceava | 1,039.37 mi (1,672.70 km) |
| Porsgrunn to Targoviste | 1,180.83 mi (1,900.36 km) |
| Porsgrunn to Targu Frumos | 1,084.54 mi (1,745.39 km) |
| Porsgrunn to Targu Jiu | 1,125.84 mi (1,811.86 km) |
| Porsgrunn to Targu Lapus | 991.21 mi (1,595.20 km) |
| Porsgrunn to Targu Neamt | 1,067.80 mi (1,718.46 km) |
| Porsgrunn to Targu Ocna | 1,128.09 mi (1,815.49 km) |
| Porsgrunn to Targu Secuiesc | 1,132.77 mi (1,823.01 km) |
| Porsgrunn to Targu-Mures | 1,061.95 mi (1,709.04 km) |
| Porsgrunn to Tarnaveni | 1,068.12 mi (1,718.98 km) |
| Porsgrunn to Tasnad | 960.35 mi (1,545.54 km) |
| Porsgrunn to Tecuci | 1,174.06 mi (1,889.47 km) |
