| Mettlach to Sangeorz-Bai | 839.74 mi (1,351.43 km) |
| Mettlach to Sannicolau Mare | 691.25 mi (1,112.46 km) |
| Mettlach to Santana | 721.98 mi (1,161.91 km) |
| Mettlach to Satu Mare | 751.56 mi (1,209.51 km) |
| Mettlach to Scobinti | 940.53 mi (1,513.64 km) |
| Mettlach to Scornicesti | 908.50 mi (1,462.09 km) |
| Mettlach to Sebes | 823.67 mi (1,325.56 km) |
| Mettlach to Seini | 770.04 mi (1,239.26 km) |
| Mettlach to Sfantu-Gheorghe | 924.40 mi (1,487.68 km) |
| Mettlach to Sibiu | 853.94 mi (1,374.29 km) |
| Mettlach to Sighetu Marmatiei | 794.10 mi (1,277.98 km) |
| Mettlach to Sighisoara | 870.93 mi (1,401.63 km) |
| Mettlach to Simeria | 802.09 mi (1,290.85 km) |
| Mettlach to Sinaia | 928.22 mi (1,493.83 km) |
| Mettlach to Slatina | 905.12 mi (1,456.64 km) |
