| Gourock to Sangeorgiu de Mures | 1,408.65 mi (2,267.01 km) |
| Gourock to Sangeorz-Bai | 1,382.36 mi (2,224.69 km) |
| Gourock to Sannicolau Mare | 1,288.45 mi (2,073.56 km) |
| Gourock to Santana | 1,307.75 mi (2,104.62 km) |
| Gourock to Satu Mare | 1,297.89 mi (2,088.76 km) |
| Gourock to Scobinti | 1,467.19 mi (2,361.22 km) |
| Gourock to Scornicesti | 1,499.96 mi (2,413.95 km) |
| Gourock to Sebes | 1,401.01 mi (2,254.71 km) |
| Gourock to Seini | 1,314.46 mi (2,115.41 km) |
| Gourock to Sfantu-Gheorghe | 1,487.60 mi (2,394.05 km) |
| Gourock to Sibiu | 1,429.90 mi (2,301.21 km) |
| Gourock to Sighetu Marmatiei | 1,330.05 mi (2,140.51 km) |
| Gourock to Sighisoara | 1,435.07 mi (2,309.53 km) |
| Gourock to Simeria | 1,385.30 mi (2,229.43 km) |
| Gourock to Sinaia | 1,501.42 mi (2,416.30 km) |
