| Guyancourt to San Giovanni Rotondo | 822.85 mi (1,324.25 km) |
| Guyancourt to San Giovanni Valdarno | 577.45 mi (929.32 km) |
| Guyancourt to San Giuliano Milanese | 411.18 mi (661.73 km) |
| Guyancourt to San Giuliano Terme | 528.13 mi (849.94 km) |
| Guyancourt to San Giuseppe Iato | 929.95 mi (1,496.61 km) |
| Guyancourt to San Giuseppe Vesuviano | 817.83 mi (1,316.17 km) |
| Guyancourt to San Giustino | 602.67 mi (969.90 km) |
| Guyancourt to San Gregorio di Catania | 1,012.63 mi (1,629.68 km) |
| Guyancourt to San Lazzaro di Savena | 532.63 mi (857.19 km) |
| Guyancourt to San Marco in Lamis | 818.50 mi (1,317.24 km) |
| Guyancourt to San Martino Buon Albergo | 483.28 mi (777.76 km) |
| Guyancourt to San Martino di Lupari | 506.71 mi (815.47 km) |
| Guyancourt to San Marzano di San Giuseppe | 949.00 mi (1,527.27 km) |
| Guyancourt to San Marzano sul Sarno | 824.43 mi (1,326.79 km) |
| Guyancourt to San Maurizio Canavese | 358.82 mi (577.47 km) |
