| Sinnai to Sangeorz-Bai | 954.06 mi (1,535.41 km) |
| Sinnai to Sannicolau Mare | 743.06 mi (1,195.85 km) |
| Sinnai to Santana | 789.28 mi (1,270.22 km) |
| Sinnai to Satu Mare | 899.70 mi (1,447.93 km) |
| Sinnai to Scobinti | 1,047.68 mi (1,686.08 km) |
| Sinnai to Scornicesti | 866.88 mi (1,395.11 km) |
| Sinnai to Sebes | 861.13 mi (1,385.85 km) |
| Sinnai to Seini | 913.05 mi (1,469.41 km) |
| Sinnai to Sfantu-Gheorghe | 955.14 mi (1,537.15 km) |
| Sinnai to Sibiu | 881.14 mi (1,418.05 km) |
| Sinnai to Sighetu Marmatiei | 943.36 mi (1,518.20 km) |
| Sinnai to Sighisoara | 921.43 mi (1,482.90 km) |
| Sinnai to Simeria | 833.74 mi (1,341.78 km) |
| Sinnai to Sinaia | 931.44 mi (1,499.01 km) |
| Sinnai to Slatina | 855.03 mi (1,376.04 km) |
