| Sinop to Sangeorgiu de Mures | 613.17 mi (986.80 km) |
| Sinop to Sangeorz-Bai | 632.18 mi (1,017.39 km) |
| Sinop to Sannicolau Mare | 772.64 mi (1,243.44 km) |
| Sinop to Santana | 738.08 mi (1,187.82 km) |
| Sinop to Satu Mare | 718.79 mi (1,156.78 km) |
| Sinop to Scobinti | 547.02 mi (880.34 km) |
| Sinop to Scornicesti | 560.81 mi (902.53 km) |
| Sinop to Sebes | 635.77 mi (1,023.17 km) |
| Sinop to Seini | 701.38 mi (1,128.76 km) |
| Sinop to Sfantu-Gheorghe | 535.47 mi (861.75 km) |
| Sinop to Sibiu | 605.50 mi (974.45 km) |
| Sinop to Sighetu Marmatiei | 683.76 mi (1,100.40 km) |
| Sinop to Sighisoara | 589.12 mi (948.10 km) |
| Sinop to Simeria | 658.41 mi (1,059.60 km) |
| Sinop to Sinaia | 531.28 mi (855.02 km) |
