| Luxembourg to Sestao | 614.51 mi (988.97 km) |
| Luxembourg to Sevilla | 1,046.29 mi (1,683.84 km) |
| Luxembourg to Sevilla La Nueva | 808.60 mi (1,301.32 km) |
| Luxembourg to Silla | 777.43 mi (1,251.16 km) |
| Luxembourg to Silleda | 834.88 mi (1,343.61 km) |
| Luxembourg to Sitges | 615.45 mi (990.47 km) |
| Luxembourg to Socuellamos | 836.57 mi (1,346.33 km) |
| Luxembourg to Soller | 700.60 mi (1,127.51 km) |
| Luxembourg to Solsona | 571.03 mi (918.98 km) |
| Luxembourg to Son Servera | 703.50 mi (1,132.18 km) |
| Luxembourg to Sonseca | 843.69 mi (1,357.78 km) |
| Luxembourg to Sopelana | 610.00 mi (981.69 km) |
| Luxembourg to Soria | 681.73 mi (1,097.14 km) |
| Luxembourg to Suances | 644.39 mi (1,037.04 km) |
| Luxembourg to Sueca | 785.66 mi (1,264.39 km) |
