| Prairie Ridge to Radauti | 5,598.17 mi (9,009.39 km) |
| Prairie Ridge to Ramnicu Sarat | 5,776.43 mi (9,296.26 km) |
| Prairie Ridge to Ramnicu Valcea | 5,746.57 mi (9,248.21 km) |
| Prairie Ridge to Rasnov | 5,734.87 mi (9,229.37 km) |
| Prairie Ridge to Reghin | 5,645.65 mi (9,085.79 km) |
| Prairie Ridge to Resita | 5,686.82 mi (9,152.06 km) |
| Prairie Ridge to Roman | 5,673.98 mi (9,131.39 km) |
| Prairie Ridge to Rosiori de Vede | 5,821.60 mi (9,368.96 km) |
| Prairie Ridge to Rovinari | 5,736.07 mi (9,231.31 km) |
| Prairie Ridge to Roznov | 5,673.07 mi (9,129.92 km) |
| Prairie Ridge to Sabaoani | 5,667.05 mi (9,120.23 km) |
| Prairie Ridge to Sacele | 5,737.56 mi (9,233.71 km) |
| Prairie Ridge to Sacueni | 5,560.98 mi (8,949.53 km) |
| Prairie Ridge to Salcea | 5,618.15 mi (9,041.54 km) |
| Prairie Ridge to Salonta | 5,587.47 mi (8,992.16 km) |
