| Formia to San Giovanni Rotondo | 113.57 mi (182.77 km) |
| Formia to San Giovanni Valdarno | 191.04 mi (307.45 km) |
| Formia to San Giuliano Milanese | 359.03 mi (577.80 km) |
| Formia to San Giuliano Terme | 236.37 mi (380.40 km) |
| Formia to San Giuseppe Iato | 229.17 mi (368.81 km) |
| Formia to San Giuseppe Vesuviano | 54.91 mi (88.37 km) |
| Formia to San Giustino | 173.88 mi (279.83 km) |
| Formia to San Gregorio di Catania | 267.88 mi (431.11 km) |
| Formia to San Lazzaro di Savena | 248.13 mi (399.32 km) |
| Formia to San Marco in Lamis | 108.89 mi (175.24 km) |
| Formia to San Martino Buon Albergo | 313.34 mi (504.28 km) |
| Formia to San Martino di Lupari | 315.77 mi (508.19 km) |
| Formia to San Marzano di San Giuseppe | 210.61 mi (338.94 km) |
| Formia to San Marzano sul Sarno | 61.47 mi (98.93 km) |
| Formia to San Maurizio Canavese | 406.34 mi (653.94 km) |
