| Gretna to Sangeorgiu de Mures | 5,763.65 mi (9,275.69 km) |
| Gretna to Sangeorz-Bai | 5,737.15 mi (9,233.05 km) |
| Gretna to Sannicolau Mare | 5,635.01 mi (9,068.67 km) |
| Gretna to Santana | 5,658.28 mi (9,106.12 km) |
| Gretna to Satu Mare | 5,653.00 mi (9,097.63 km) |
| Gretna to Scobinti | 5,819.32 mi (9,365.29 km) |
| Gretna to Scornicesti | 5,850.24 mi (9,415.05 km) |
| Gretna to Sebes | 5,754.14 mi (9,260.40 km) |
| Gretna to Seini | 5,669.51 mi (9,124.20 km) |
| Gretna to Sfantu-Gheorghe | 5,842.61 mi (9,402.77 km) |
| Gretna to Sibiu | 5,783.44 mi (9,307.54 km) |
| Gretna to Sighetu Marmatiei | 5,684.61 mi (9,148.50 km) |
| Gretna to Sighisoara | 5,789.93 mi (9,318.00 km) |
| Gretna to Simeria | 5,737.11 mi (9,232.98 km) |
| Gretna to Sinaia | 5,855.67 mi (9,423.80 km) |
