| Greenock to Sangeorgiu de Mures | 1,406.63 mi (2,263.75 km) |
| Greenock to Sangeorz-Bai | 1,380.33 mi (2,221.43 km) |
| Greenock to Sannicolau Mare | 1,286.47 mi (2,070.37 km) |
| Greenock to Santana | 1,305.75 mi (2,101.41 km) |
| Greenock to Satu Mare | 1,295.87 mi (2,085.50 km) |
| Greenock to Scobinti | 1,465.15 mi (2,357.94 km) |
| Greenock to Scornicesti | 1,497.96 mi (2,410.74 km) |
| Greenock to Sebes | 1,399.00 mi (2,251.48 km) |
| Greenock to Seini | 1,312.43 mi (2,112.15 km) |
| Greenock to Sfantu-Gheorghe | 1,485.57 mi (2,390.80 km) |
| Greenock to Sibiu | 1,427.89 mi (2,297.97 km) |
| Greenock to Sighetu Marmatiei | 1,328.02 mi (2,137.24 km) |
| Greenock to Sighisoara | 1,433.05 mi (2,306.28 km) |
| Greenock to Simeria | 1,383.30 mi (2,226.21 km) |
| Greenock to Sinaia | 1,499.40 mi (2,413.05 km) |
