| Prairie Ridge to Sangeorgiu de Mures | 5,655.78 mi (9,102.10 km) |
| Prairie Ridge to Sangeorz-Bai | 5,607.11 mi (9,023.77 km) |
| Prairie Ridge to Sannicolau Mare | 5,613.49 mi (9,034.04 km) |
| Prairie Ridge to Santana | 5,612.96 mi (9,033.18 km) |
| Prairie Ridge to Satu Mare | 5,548.13 mi (8,928.85 km) |
| Prairie Ridge to Scobinti | 5,644.74 mi (9,084.32 km) |
| Prairie Ridge to Scornicesti | 5,784.01 mi (9,308.47 km) |
| Prairie Ridge to Sebes | 5,677.06 mi (9,136.34 km) |
| Prairie Ridge to Seini | 5,558.03 mi (8,944.79 km) |
| Prairie Ridge to Sfantu-Gheorghe | 5,723.25 mi (9,210.68 km) |
| Prairie Ridge to Sibiu | 5,698.47 mi (9,170.80 km) |
| Prairie Ridge to Sighetu Marmatiei | 5,557.46 mi (8,943.86 km) |
| Prairie Ridge to Sighisoara | 5,682.92 mi (9,145.78 km) |
| Prairie Ridge to Simeria | 5,673.57 mi (9,130.73 km) |
| Prairie Ridge to Sinaia | 5,752.12 mi (9,257.15 km) |
