| Great Falls to Sangeorgiu de Mures | 5,411.66 mi (8,709.22 km) |
| Great Falls to Sangeorz-Bai | 5,366.82 mi (8,637.06 km) |
| Great Falls to Sannicolau Mare | 5,349.12 mi (8,608.58 km) |
| Great Falls to Santana | 5,353.82 mi (8,616.14 km) |
| Great Falls to Satu Mare | 5,300.70 mi (8,530.65 km) |
| Great Falls to Scobinti | 5,415.56 mi (8,715.50 km) |
| Great Falls to Scornicesti | 5,533.65 mi (8,905.55 km) |
| Great Falls to Sebes | 5,426.54 mi (8,733.17 km) |
| Great Falls to Seini | 5,312.34 mi (8,549.38 km) |
| Great Falls to Sfantu-Gheorghe | 5,483.37 mi (8,824.64 km) |
| Great Falls to Sibiu | 5,450.23 mi (8,771.30 km) |
| Great Falls to Sighetu Marmatiei | 5,315.29 mi (8,554.14 km) |
| Great Falls to Sighisoara | 5,439.27 mi (8,753.66 km) |
| Great Falls to Simeria | 5,419.94 mi (8,722.55 km) |
| Great Falls to Sinaia | 5,509.37 mi (8,866.48 km) |
