| Sundsvall to Sangeorgiu de Mures | 1,130.49 mi (1,819.34 km) |
| Sundsvall to Sangeorz-Bai | 1,077.27 mi (1,733.69 km) |
| Sundsvall to Sannicolau Mare | 1,136.19 mi (1,828.53 km) |
| Sundsvall to Santana | 1,121.08 mi (1,804.21 km) |
| Sundsvall to Satu Mare | 1,032.29 mi (1,661.32 km) |
| Sundsvall to Scobinti | 1,102.90 mi (1,774.94 km) |
| Sundsvall to Scornicesti | 1,265.45 mi (2,036.55 km) |
| Sundsvall to Sebes | 1,162.40 mi (1,870.70 km) |
| Sundsvall to Seini | 1,038.47 mi (1,671.25 km) |
| Sundsvall to Sfantu-Gheorghe | 1,190.53 mi (1,915.97 km) |
| Sundsvall to Sibiu | 1,178.83 mi (1,897.14 km) |
| Sundsvall to Sighetu Marmatiei | 1,031.73 mi (1,660.41 km) |
| Sundsvall to Sighisoara | 1,156.20 mi (1,860.73 km) |
| Sundsvall to Simeria | 1,165.41 mi (1,875.55 km) |
| Sundsvall to Sinaia | 1,222.55 mi (1,967.50 km) |
