| Porsgrunn to Rovinj | 983.31 mi (1,582.48 km) |
| Porsgrunn to Samobor | 953.20 mi (1,534.03 km) |
| Porsgrunn to Sesvete | 955.81 mi (1,538.22 km) |
| Porsgrunn to Sibenik | 1,094.41 mi (1,761.29 km) |
| Porsgrunn to Sinj | 1,104.70 mi (1,777.84 km) |
| Porsgrunn to Sisak | 981.67 mi (1,579.85 km) |
| Porsgrunn to Slatina | 984.42 mi (1,584.28 km) |
| Porsgrunn to Slavonski Brod | 1,024.27 mi (1,648.40 km) |
| Porsgrunn to Solin | 1,114.50 mi (1,793.62 km) |
| Porsgrunn to Split | 1,115.37 mi (1,795.01 km) |
| Porsgrunn to Sveti Ivan Zelina | 948.45 mi (1,526.39 km) |
| Porsgrunn to Trilj | 1,111.24 mi (1,788.37 km) |
| Porsgrunn to Trogir | 1,112.88 mi (1,791.02 km) |
| Porsgrunn to Umag | 958.57 mi (1,542.66 km) |
| Porsgrunn to Valpovo | 997.16 mi (1,604.77 km) |
