| Grefrath to Sangeorz-Bai | 866.97 mi (1,395.26 km) |
| Grefrath to Sannicolau Mare | 744.03 mi (1,197.40 km) |
| Grefrath to Santana | 768.64 mi (1,237.00 km) |
| Grefrath to Satu Mare | 779.07 mi (1,253.80 km) |
| Grefrath to Scobinti | 962.43 mi (1,548.88 km) |
| Grefrath to Scornicesti | 959.90 mi (1,544.80 km) |
| Grefrath to Sebes | 867.01 mi (1,395.32 km) |
| Grefrath to Seini | 796.99 mi (1,282.63 km) |
| Grefrath to Sfantu-Gheorghe | 961.94 mi (1,548.10 km) |
| Grefrath to Sibiu | 896.90 mi (1,443.43 km) |
| Grefrath to Sighetu Marmatiei | 817.70 mi (1,315.96 km) |
| Grefrath to Sighisoara | 908.35 mi (1,461.84 km) |
| Grefrath to Simeria | 848.24 mi (1,365.10 km) |
| Grefrath to Sinaia | 970.53 mi (1,561.92 km) |
| Grefrath to Slatina | 958.17 mi (1,542.02 km) |
