| San Marcos to Sangeorgiu de Mures | 6,435.24 mi (10,356.51 km) |
| San Marcos to Sangeorz-Bai | 6,392.03 mi (10,286.98 km) |
| San Marcos to Sannicolau Mare | 6,363.78 mi (10,241.51 km) |
| San Marcos to Santana | 6,371.05 mi (10,253.21 km) |
| San Marcos to Satu Mare | 6,323.36 mi (10,176.46 km) |
| San Marcos to Scobinti | 6,444.46 mi (10,371.35 km) |
| San Marcos to Scornicesti | 6,554.15 mi (10,547.88 km) |
| San Marcos to Sebes | 6,447.40 mi (10,376.09 km) |
| San Marcos to Seini | 6,335.65 mi (10,196.24 km) |
| San Marcos to Sfantu-Gheorghe | 6,508.35 mi (10,474.17 km) |
| San Marcos to Sibiu | 6,471.98 mi (10,415.65 km) |
| San Marcos to Sighetu Marmatiei | 6,339.98 mi (10,203.21 km) |
| San Marcos to Sighisoara | 6,462.93 mi (10,401.09 km) |
| San Marcos to Simeria | 6,439.45 mi (10,363.29 km) |
| San Marcos to Sinaia | 6,533.14 mi (10,514.07 km) |
