| Barstow to Sacile | 6,028.83 mi (9,702.46 km) |
| Barstow to Sala Consilina | 6,427.55 mi (10,344.15 km) |
| Barstow to Salemi | 6,475.11 mi (10,420.68 km) |
| Barstow to Salerno | 6,385.33 mi (10,276.19 km) |
| Barstow to Salo | 5,987.36 mi (9,635.73 km) |
| Barstow to Salsomaggiore Terme | 6,010.80 mi (9,673.45 km) |
| Barstow to Saluzzo | 5,938.06 mi (9,556.38 km) |
| Barstow to Salzano | 6,040.22 mi (9,720.79 km) |
| Barstow to Samarate | 5,930.74 mi (9,544.60 km) |
| Barstow to San Benedetto del Tronto | 6,234.01 mi (10,032.67 km) |
| Barstow to San Biagio di Callalta | 6,040.17 mi (9,720.72 km) |
| Barstow to San Bonifacio | 6,021.42 mi (9,690.54 km) |
| Barstow to San Casciano in Val di Pesa | 6,110.41 mi (9,833.75 km) |
| Barstow to San Cataldo | 6,533.60 mi (10,514.81 km) |
| Barstow to San Cesareo | 6,260.58 mi (10,075.44 km) |
