| Viareggio to Sangeorz-Bai | 736.81 mi (1,185.77 km) |
| Viareggio to Sannicolau Mare | 528.34 mi (850.29 km) |
| Viareggio to Santana | 574.17 mi (924.04 km) |
| Viareggio to Satu Mare | 665.12 mi (1,070.40 km) |
| Viareggio to Scobinti | 840.03 mi (1,351.89 km) |
| Viareggio to Scornicesti | 708.83 mi (1,140.75 km) |
| Viareggio to Sebes | 666.71 mi (1,072.97 km) |
| Viareggio to Seini | 681.55 mi (1,096.84 km) |
| Viareggio to Sfantu-Gheorghe | 771.96 mi (1,242.36 km) |
| Viareggio to Sibiu | 693.11 mi (1,115.45 km) |
| Viareggio to Sighetu Marmatiei | 712.20 mi (1,146.18 km) |
| Viareggio to Sighisoara | 727.08 mi (1,170.11 km) |
| Viareggio to Simeria | 639.00 mi (1,028.38 km) |
| Viareggio to Sinaia | 758.39 mi (1,220.52 km) |
| Viareggio to Slatina | 699.92 mi (1,126.41 km) |
