| Castaic to Sonneberg | 5,824.92 mi (9,374.31 km) |
| Castaic to Sonsbeck | 5,622.12 mi (9,047.93 km) |
| Castaic to Sonthofen | 5,949.74 mi (9,575.18 km) |
| Castaic to Spaichingen | 5,873.77 mi (9,452.92 km) |
| Castaic to Spelle | 5,615.11 mi (9,036.65 km) |
| Castaic to Spenge | 5,655.86 mi (9,102.23 km) |
| Castaic to Speyer | 5,799.96 mi (9,334.13 km) |
| Castaic to Spiesen-Elversberg | 5,761.08 mi (9,271.56 km) |
| Castaic to Spremberg | 5,845.62 mi (9,407.61 km) |
| Castaic to Springe | 5,681.31 mi (9,143.19 km) |
| Castaic to Sprockhovel | 5,659.91 mi (9,108.74 km) |
| Castaic to Stade | 5,607.06 mi (9,023.69 km) |
| Castaic to Stadtallendorf | 5,738.45 mi (9,235.14 km) |
| Castaic to Stadthagen | 5,666.17 mi (9,118.82 km) |
| Castaic to Stadtlohn | 5,618.35 mi (9,041.87 km) |
