| Montreuil to Sangeorz-Bai | 1,027.19 mi (1,653.11 km) |
| Montreuil to Sannicolau Mare | 868.18 mi (1,397.19 km) |
| Montreuil to Santana | 902.01 mi (1,451.65 km) |
| Montreuil to Satu Mare | 939.37 mi (1,511.77 km) |
| Montreuil to Scobinti | 1,129.21 mi (1,817.29 km) |
| Montreuil to Scornicesti | 1,084.02 mi (1,744.55 km) |
| Montreuil to Sebes | 1,004.51 mi (1,616.60 km) |
| Montreuil to Seini | 957.93 mi (1,541.63 km) |
| Montreuil to Sfantu-Gheorghe | 1,107.37 mi (1,782.15 km) |
| Montreuil to Sibiu | 1,034.74 mi (1,665.26 km) |
| Montreuil to Sighetu Marmatiei | 982.85 mi (1,581.75 km) |
| Montreuil to Sighisoara | 1,054.29 mi (1,696.71 km) |
| Montreuil to Simeria | 981.64 mi (1,579.79 km) |
| Montreuil to Sinaia | 1,108.84 mi (1,784.51 km) |
| Montreuil to Slatina | 1,079.59 mi (1,737.43 km) |
