| Giessen to Sangeorz-Bai | 757.65 mi (1,219.32 km) |
| Giessen to Sannicolau Mare | 630.36 mi (1,014.47 km) |
| Giessen to Santana | 655.47 mi (1,054.88 km) |
| Giessen to Satu Mare | 669.47 mi (1,077.41 km) |
| Giessen to Scobinti | 854.84 mi (1,375.73 km) |
| Giessen to Scornicesti | 846.45 mi (1,362.24 km) |
| Giessen to Sebes | 754.38 mi (1,214.06 km) |
| Giessen to Seini | 687.58 mi (1,106.55 km) |
| Giessen to Sfantu-Gheorghe | 850.41 mi (1,368.61 km) |
| Giessen to Sibiu | 784.37 mi (1,262.31 km) |
| Giessen to Sighetu Marmatiei | 709.28 mi (1,141.47 km) |
| Giessen to Sighisoara | 796.76 mi (1,282.27 km) |
| Giessen to Simeria | 735.22 mi (1,183.23 km) |
| Giessen to Sinaia | 858.18 mi (1,381.11 km) |
| Giessen to Slatina | 844.60 mi (1,359.26 km) |
