| Castle Rock to Radauti | 5,696.41 mi (9,167.49 km) |
| Castle Rock to Ramnicu Sarat | 5,866.14 mi (9,440.64 km) |
| Castle Rock to Ramnicu Valcea | 5,804.46 mi (9,341.38 km) |
| Castle Rock to Rasnov | 5,808.85 mi (9,348.45 km) |
| Castle Rock to Reghin | 5,721.82 mi (9,208.39 km) |
| Castle Rock to Resita | 5,719.53 mi (9,204.69 km) |
| Castle Rock to Roman | 5,775.20 mi (9,294.29 km) |
| Castle Rock to Rosiori de Vede | 5,877.65 mi (9,459.16 km) |
| Castle Rock to Rovinari | 5,779.01 mi (9,300.41 km) |
| Castle Rock to Roznov | 5,769.01 mi (9,284.33 km) |
| Castle Rock to Sabaoani | 5,768.14 mi (9,282.92 km) |
| Castle Rock to Sacele | 5,814.50 mi (9,357.53 km) |
| Castle Rock to Sacueni | 5,614.86 mi (9,036.24 km) |
| Castle Rock to Salcea | 5,719.49 mi (9,204.62 km) |
| Castle Rock to Salonta | 5,631.59 mi (9,063.17 km) |
