| Altena to Sangeorz-Bai | 810.46 mi (1,304.30 km) |
| Altena to Sannicolau Mare | 691.12 mi (1,112.24 km) |
| Altena to Santana | 714.58 mi (1,150.01 km) |
| Altena to Satu Mare | 722.67 mi (1,163.03 km) |
| Altena to Scobinti | 905.50 mi (1,457.26 km) |
| Altena to Scornicesti | 906.25 mi (1,458.48 km) |
| Altena to Sebes | 812.26 mi (1,307.21 km) |
| Altena to Seini | 740.53 mi (1,191.76 km) |
| Altena to Sfantu-Gheorghe | 906.32 mi (1,458.58 km) |
| Altena to Sibiu | 842.05 mi (1,355.14 km) |
| Altena to Sighetu Marmatiei | 760.97 mi (1,224.66 km) |
| Altena to Sighisoara | 852.77 mi (1,372.40 km) |
| Altena to Simeria | 793.93 mi (1,277.71 km) |
| Altena to Sinaia | 915.49 mi (1,473.34 km) |
| Altena to Slatina | 904.82 mi (1,456.17 km) |
