| Backnang to Sangeorz-Bai | 710.00 mi (1,142.63 km) |
| Backnang to Sannicolau Mare | 557.97 mi (897.96 km) |
| Backnang to Santana | 588.99 mi (947.88 km) |
| Backnang to Satu Mare | 622.11 mi (1,001.20 km) |
| Backnang to Scobinti | 811.95 mi (1,306.71 km) |
| Backnang to Scornicesti | 775.20 mi (1,247.57 km) |
| Backnang to Sebes | 690.88 mi (1,111.86 km) |
| Backnang to Seini | 640.67 mi (1,031.05 km) |
| Backnang to Sfantu-Gheorghe | 792.24 mi (1,274.98 km) |
| Backnang to Sibiu | 721.16 mi (1,160.59 km) |
| Backnang to Sighetu Marmatiei | 665.62 mi (1,071.20 km) |
| Backnang to Sighisoara | 738.88 mi (1,189.12 km) |
| Backnang to Simeria | 669.07 mi (1,076.76 km) |
| Backnang to Sinaia | 795.43 mi (1,280.12 km) |
| Backnang to Slatina | 771.83 mi (1,242.14 km) |
