| Barstow to Sabadell | 5,901.33 mi (9,497.27 km) |
| Barstow to Sabinanigo | 5,763.00 mi (9,274.65 km) |
| Barstow to Sagunto | 5,899.35 mi (9,494.09 km) |
| Barstow to Salamanca | 5,626.79 mi (9,055.44 km) |
| Barstow to Salobrena | 5,900.27 mi (9,495.57 km) |
| Barstow to Salou | 5,887.14 mi (9,474.43 km) |
| Barstow to Salt | 5,905.83 mi (9,504.52 km) |
| Barstow to Salvatierra de Mino | 5,463.90 mi (8,793.30 km) |
| Barstow to Sama | 5,523.93 mi (8,889.90 km) |
| Barstow to San Adrian de Besos | 5,911.11 mi (9,513.01 km) |
| Barstow to San Agustin de Guadalix | 5,721.58 mi (9,207.99 km) |
| Barstow to San Andres de la Barca | 5,901.29 mi (9,497.21 km) |
| Barstow to San Andres de Llevaneras | 5,914.04 mi (9,517.73 km) |
| Barstow to San Andres del Rabanedo | 5,557.02 mi (8,943.15 km) |
| Barstow to San Bartolome | 5,728.22 mi (9,218.68 km) |
