| Aveiro to Sangeorz-Bai | 1,706.13 mi (2,745.75 km) |
| Aveiro to Sannicolau Mare | 1,508.04 mi (2,426.95 km) |
| Aveiro to Santana | 1,551.70 mi (2,497.21 km) |
| Aveiro to Satu Mare | 1,625.38 mi (2,615.80 km) |
| Aveiro to Scobinti | 1,811.49 mi (2,915.31 km) |
| Aveiro to Scornicesti | 1,698.23 mi (2,733.03 km) |
| Aveiro to Sebes | 1,649.49 mi (2,654.60 km) |
| Aveiro to Seini | 1,643.35 mi (2,644.72 km) |
| Aveiro to Sfantu-Gheorghe | 1,756.05 mi (2,826.08 km) |
| Aveiro to Sibiu | 1,677.31 mi (2,699.36 km) |
| Aveiro to Sighetu Marmatiei | 1,672.58 mi (2,691.75 km) |
| Aveiro to Sighisoara | 1,708.33 mi (2,749.29 km) |
| Aveiro to Simeria | 1,622.40 mi (2,610.99 km) |
| Aveiro to Sinaia | 1,745.28 mi (2,808.75 km) |
| Aveiro to Slatina | 1,689.52 mi (2,719.03 km) |
