| Allouez to Sesena | 4,121.66 mi (6,633.16 km) |
| Allouez to Sestao | 4,027.42 mi (6,481.51 km) |
| Allouez to Sevilla | 4,133.43 mi (6,652.11 km) |
| Allouez to Sevilla La Nueva | 4,097.74 mi (6,594.68 km) |
| Allouez to Silla | 4,293.69 mi (6,910.03 km) |
| Allouez to Silleda | 3,826.88 mi (6,158.77 km) |
| Allouez to Sitges | 4,311.16 mi (6,938.13 km) |
| Allouez to Socuellamos | 4,193.13 mi (6,748.19 km) |
| Allouez to Soller | 4,409.61 mi (7,096.59 km) |
| Allouez to Solsona | 4,268.22 mi (6,869.03 km) |
| Allouez to Son Servera | 4,443.59 mi (7,151.27 km) |
| Allouez to Sonseca | 4,126.54 mi (6,641.03 km) |
| Allouez to Sopelana | 4,025.85 mi (6,478.98 km) |
| Allouez to Soria | 4,109.60 mi (6,613.76 km) |
| Allouez to Suances | 3,978.84 mi (6,403.33 km) |
