| Houthulst to Sangeorz-Bai | 1,008.63 mi (1,623.23 km) |
| Houthulst to Sannicolau Mare | 873.94 mi (1,406.47 km) |
| Houthulst to Santana | 901.87 mi (1,451.42 km) |
| Houthulst to Satu Mare | 920.39 mi (1,481.23 km) |
| Houthulst to Scobinti | 1,105.97 mi (1,779.89 km) |
| Houthulst to Scornicesti | 1,091.12 mi (1,755.99 km) |
| Houthulst to Sebes | 1,002.15 mi (1,612.80 km) |
| Houthulst to Seini | 938.55 mi (1,510.46 km) |
| Houthulst to Sfantu-Gheorghe | 1,099.90 mi (1,770.12 km) |
| Houthulst to Sibiu | 1,032.29 mi (1,661.32 km) |
| Houthulst to Sighetu Marmatiei | 960.41 mi (1,545.62 km) |
| Houthulst to Sighisoara | 1,046.24 mi (1,683.76 km) |
| Houthulst to Simeria | 981.96 mi (1,580.32 km) |
| Houthulst to Sinaia | 1,106.39 mi (1,780.57 km) |
| Houthulst to Slatina | 1,088.47 mi (1,751.72 km) |
