| South Houston to Sangeorgiu de Mures | 5,967.97 mi (9,604.53 km) |
| South Houston to Sangeorz-Bai | 5,938.47 mi (9,557.05 km) |
| South Houston to Sannicolau Mare | 5,847.50 mi (9,410.64 km) |
| South Houston to Santana | 5,868.38 mi (9,444.24 km) |
| South Houston to Satu Mare | 5,856.09 mi (9,424.47 km) |
| South Houston to Scobinti | 6,016.50 mi (9,682.62 km) |
| South Houston to Scornicesti | 6,060.64 mi (9,753.65 km) |
| South Houston to Sebes | 5,961.93 mi (9,594.80 km) |
| South Houston to Seini | 5,872.06 mi (9,450.16 km) |
| South Houston to Sfantu-Gheorghe | 6,046.72 mi (9,731.25 km) |
| South Houston to Sibiu | 5,990.73 mi (9,641.14 km) |
| South Houston to Sighetu Marmatiei | 5,885.52 mi (9,471.83 km) |
| South Houston to Sighisoara | 5,994.74 mi (9,647.60 km) |
| South Houston to Simeria | 5,946.22 mi (9,569.52 km) |
| South Houston to Sinaia | 6,061.82 mi (9,755.56 km) |
