| Castle Rock to Sangeorgiu de Mures | 5,727.39 mi (9,217.35 km) |
| Castle Rock to Sangeorz-Bai | 5,688.21 mi (9,154.29 km) |
| Castle Rock to Sannicolau Mare | 5,639.77 mi (9,076.33 km) |
| Castle Rock to Santana | 5,651.29 mi (9,094.88 km) |
| Castle Rock to Satu Mare | 5,614.33 mi (9,035.39 km) |
| Castle Rock to Scobinti | 5,749.79 mi (9,253.38 km) |
| Castle Rock to Scornicesti | 5,839.13 mi (9,397.17 km) |
| Castle Rock to Sebes | 5,733.83 mi (9,227.71 km) |
| Castle Rock to Seini | 5,627.94 mi (9,057.30 km) |
| Castle Rock to Sfantu-Gheorghe | 5,803.12 mi (9,339.22 km) |
| Castle Rock to Sibiu | 5,760.01 mi (9,269.84 km) |
| Castle Rock to Sighetu Marmatiei | 5,635.30 mi (9,069.14 km) |
| Castle Rock to Sighisoara | 5,755.08 mi (9,261.91 km) |
| Castle Rock to Simeria | 5,723.34 mi (9,210.83 km) |
| Castle Rock to Sinaia | 5,825.01 mi (9,374.45 km) |
