| Union City to Sangeorgiu de Mures | 6,263.06 mi (10,079.42 km) |
| Union City to Sangeorz-Bai | 6,216.47 mi (10,004.43 km) |
| Union City to Sannicolau Mare | 6,208.40 mi (9,991.46 km) |
| Union City to Santana | 6,211.20 mi (9,995.96 km) |
| Union City to Satu Mare | 6,153.34 mi (9,902.84 km) |
| Union City to Scobinti | 6,260.11 mi (10,074.67 km) |
| Union City to Scornicesti | 6,387.86 mi (10,280.27 km) |
| Union City to Sebes | 6,280.65 mi (10,107.73 km) |
| Union City to Seini | 6,164.26 mi (9,920.41 km) |
| Union City to Sfantu-Gheorghe | 6,333.03 mi (10,192.02 km) |
| Union City to Sibiu | 6,303.44 mi (10,144.41 km) |
| Union City to Sighetu Marmatiei | 6,165.69 mi (9,922.72 km) |
| Union City to Sighisoara | 6,290.51 mi (10,123.60 km) |
| Union City to Simeria | 6,275.29 mi (10,099.11 km) |
| Union City to Sinaia | 6,360.34 mi (10,235.97 km) |
