| Porvoo to San Giovanni Rotondo | 1,358.26 mi (2,185.91 km) |
| Porvoo to San Giovanni Valdarno | 1,302.80 mi (2,096.66 km) |
| Porvoo to San Giuliano Milanese | 1,233.20 mi (1,984.65 km) |
| Porvoo to San Giuliano Terme | 1,311.24 mi (2,110.23 km) |
| Porvoo to San Giuseppe Iato | 1,642.47 mi (2,643.30 km) |
| Porvoo to San Giuseppe Vesuviano | 1,432.83 mi (2,305.91 km) |
| Porvoo to San Giustino | 1,291.80 mi (2,078.95 km) |
| Porvoo to San Gregorio di Catania | 1,643.44 mi (2,644.86 km) |
| Porvoo to San Lazzaro di Savena | 1,247.33 mi (2,007.38 km) |
| Porvoo to San Marco in Lamis | 1,358.77 mi (2,186.73 km) |
| Porvoo to San Martino Buon Albergo | 1,193.68 mi (1,921.04 km) |
| Porvoo to San Martino di Lupari | 1,163.47 mi (1,872.42 km) |
| Porvoo to San Marzano di San Giuseppe | 1,421.58 mi (2,287.81 km) |
| Porvoo to San Marzano sul Sarno | 1,435.73 mi (2,310.58 km) |
| Porvoo to San Maurizio Canavese | 1,281.95 mi (2,063.09 km) |
