| Frederick to Sangeorgiu de Mures | 4,795.36 mi (7,717.39 km) |
| Frederick to Sangeorz-Bai | 4,770.12 mi (7,676.76 km) |
| Frederick to Sannicolau Mare | 4,664.27 mi (7,506.42 km) |
| Frederick to Santana | 4,688.16 mi (7,544.86 km) |
| Frederick to Satu Mare | 4,685.32 mi (7,540.30 km) |
| Frederick to Scobinti | 4,854.11 mi (7,811.94 km) |
| Frederick to Scornicesti | 4,879.93 mi (7,853.48 km) |
| Frederick to Sebes | 4,784.66 mi (7,700.16 km) |
| Frederick to Seini | 4,702.04 mi (7,567.20 km) |
| Frederick to Sfantu-Gheorghe | 4,874.34 mi (7,844.50 km) |
| Frederick to Sibiu | 4,814.09 mi (7,747.53 km) |
| Frederick to Sighetu Marmatiei | 4,717.83 mi (7,592.61 km) |
| Frederick to Sighisoara | 4,821.45 mi (7,759.37 km) |
| Frederick to Simeria | 4,767.22 mi (7,672.10 km) |
| Frederick to Sinaia | 4,886.66 mi (7,864.31 km) |
