| Castalla to Radauti | 1,473.48 mi (2,371.33 km) |
| Castalla to Ramnicu Sarat | 1,490.57 mi (2,398.85 km) |
| Castalla to Ramnicu Valcea | 1,358.64 mi (2,186.51 km) |
| Castalla to Rasnov | 1,416.61 mi (2,279.81 km) |
| Castalla to Reghin | 1,399.36 mi (2,252.06 km) |
| Castalla to Resita | 1,243.18 mi (2,000.70 km) |
| Castalla to Roman | 1,503.92 mi (2,420.32 km) |
| Castalla to Rosiori de Vede | 1,378.19 mi (2,217.98 km) |
| Castalla to Rovinari | 1,297.92 mi (2,088.80 km) |
| Castalla to Roznov | 1,483.22 mi (2,387.01 km) |
| Castalla to Sabaoani | 1,501.54 mi (2,416.50 km) |
| Castalla to Sacele | 1,428.80 mi (2,299.43 km) |
| Castalla to Sacueni | 1,293.30 mi (2,081.37 km) |
| Castalla to Salcea | 1,490.15 mi (2,398.17 km) |
| Castalla to Salonta | 1,261.19 mi (2,029.68 km) |
