| Guyancourt to Sala Consilina | 879.47 mi (1,415.37 km) |
| Guyancourt to Salemi | 927.47 mi (1,492.62 km) |
| Guyancourt to Salerno | 834.85 mi (1,343.56 km) |
| Guyancourt to Salo | 453.29 mi (729.50 km) |
| Guyancourt to Salsomaggiore Terme | 462.84 mi (744.87 km) |
| Guyancourt to Saluzzo | 383.38 mi (617.00 km) |
| Guyancourt to Salzano | 521.68 mi (839.57 km) |
| Guyancourt to Samarate | 382.84 mi (616.12 km) |
| Guyancourt to San Benedetto del Tronto | 694.92 mi (1,118.37 km) |
| Guyancourt to San Biagio di Callalta | 527.94 mi (849.64 km) |
| Guyancourt to San Bonifacio | 491.45 mi (790.91 km) |
| Guyancourt to San Casciano in Val di Pesa | 560.28 mi (901.68 km) |
| Guyancourt to San Cataldo | 981.89 mi (1,580.20 km) |
| Guyancourt to San Cesareo | 707.77 mi (1,139.05 km) |
| Guyancourt to San Dona di Piave | 537.58 mi (865.15 km) |
