| Grande-Synthe to Sabinanigo | 600.28 mi (966.06 km) |
| Grande-Synthe to Sagunto | 793.14 mi (1,276.43 km) |
| Grande-Synthe to Salamanca | 791.60 mi (1,273.97 km) |
| Grande-Synthe to Salobrena | 1,027.64 mi (1,653.83 km) |
| Grande-Synthe to Salou | 688.66 mi (1,108.30 km) |
| Grande-Synthe to Salt | 624.87 mi (1,005.64 km) |
| Grande-Synthe to Salvatierra de Mino | 800.95 mi (1,289.00 km) |
| Grande-Synthe to Sama | 650.98 mi (1,047.65 km) |
| Grande-Synthe to San Adrian de Besos | 662.16 mi (1,065.65 km) |
| Grande-Synthe to San Agustin de Guadalix | 768.21 mi (1,236.32 km) |
| Grande-Synthe to San Andres de la Barca | 661.14 mi (1,063.99 km) |
| Grande-Synthe to San Andres de Llevaneras | 652.34 mi (1,049.84 km) |
| Grande-Synthe to San Andres del Rabanedo | 689.23 mi (1,109.21 km) |
| Grande-Synthe to San Bartolome | 1,847.48 mi (2,973.23 km) |
| Grande-Synthe to San Baudilio de Llobregat | 668.12 mi (1,075.23 km) |
