| Porsgrunn to San Giovanni Lupatoto | 950.41 mi (1,529.54 km) |
| Porsgrunn to San Giovanni Rotondo | 1,230.98 mi (1,981.07 km) |
| Porsgrunn to San Giovanni Valdarno | 1,077.26 mi (1,733.68 km) |
| Porsgrunn to San Giuliano Milanese | 947.82 mi (1,525.37 km) |
| Porsgrunn to San Giuliano Terme | 1,061.25 mi (1,707.91 km) |
| Porsgrunn to San Giuseppe Iato | 1,469.38 mi (2,364.74 km) |
| Porsgrunn to San Giuseppe Vesuviano | 1,280.19 mi (2,060.27 km) |
| Porsgrunn to San Giustino | 1,080.58 mi (1,739.03 km) |
| Porsgrunn to San Gregorio di Catania | 1,508.27 mi (2,427.33 km) |
| Porsgrunn to San Lazzaro di Savena | 1,014.31 mi (1,632.37 km) |
| Porsgrunn to San Marco in Lamis | 1,229.30 mi (1,978.36 km) |
| Porsgrunn to San Martino Buon Albergo | 948.27 mi (1,526.10 km) |
| Porsgrunn to San Martino di Lupari | 934.27 mi (1,503.57 km) |
| Porsgrunn to San Marzano di San Giuseppe | 1,333.54 mi (2,146.12 km) |
| Porsgrunn to San Marzano sul Sarno | 1,285.22 mi (2,068.36 km) |
