| Euclid to Sangeorgiu de Mures | 4,843.98 mi (7,795.63 km) |
| Euclid to Sangeorz-Bai | 4,815.20 mi (7,749.32 km) |
| Euclid to Sannicolau Mare | 4,722.46 mi (7,600.07 km) |
| Euclid to Santana | 4,743.48 mi (7,633.90 km) |
| Euclid to Satu Mare | 4,732.34 mi (7,615.97 km) |
| Euclid to Scobinti | 4,894.57 mi (7,877.05 km) |
| Euclid to Scornicesti | 4,935.74 mi (7,943.31 km) |
| Euclid to Sebes | 4,837.32 mi (7,784.92 km) |
| Euclid to Seini | 4,748.44 mi (7,641.88 km) |
| Euclid to Sfantu-Gheorghe | 4,922.79 mi (7,922.47 km) |
| Euclid to Sibiu | 4,866.19 mi (7,831.38 km) |
| Euclid to Sighetu Marmatiei | 4,762.34 mi (7,664.25 km) |
| Euclid to Sighisoara | 4,870.65 mi (7,838.56 km) |
| Euclid to Simeria | 4,821.44 mi (7,759.36 km) |
| Euclid to Sinaia | 4,937.49 mi (7,946.13 km) |
