| Castro Valley to Sacile | 6,004.99 mi (9,664.10 km) |
| Castro Valley to Sala Consilina | 6,412.15 mi (10,319.36 km) |
| Castro Valley to Salemi | 6,479.22 mi (10,427.30 km) |
| Castro Valley to Salerno | 6,372.08 mi (10,254.88 km) |
| Castro Valley to Salo | 5,971.34 mi (9,609.94 km) |
| Castro Valley to Salsomaggiore Terme | 5,999.50 mi (9,655.27 km) |
| Castro Valley to Saluzzo | 5,935.56 mi (9,552.36 km) |
| Castro Valley to Salzano | 6,019.21 mi (9,686.98 km) |
| Castro Valley to Samarate | 5,920.34 mi (9,527.87 km) |
| Castro Valley to San Benedetto del Tronto | 6,216.07 mi (10,003.80 km) |
| Castro Valley to San Biagio di Callalta | 6,017.73 mi (9,684.60 km) |
| Castro Valley to San Bonifacio | 6,003.66 mi (9,661.95 km) |
| Castro Valley to San Casciano in Val di Pesa | 6,099.31 mi (9,815.90 km) |
| Castro Valley to San Cataldo | 6,534.38 mi (10,516.07 km) |
| Castro Valley to San Cesareo | 6,250.47 mi (10,059.17 km) |
