| Santander to Radauti | 1,457.56 mi (2,345.71 km) |
| Santander to Ramnicu Sarat | 1,519.47 mi (2,445.35 km) |
| Santander to Ramnicu Valcea | 1,391.43 mi (2,239.29 km) |
| Santander to Rasnov | 1,440.94 mi (2,318.97 km) |
| Santander to Reghin | 1,400.92 mi (2,254.56 km) |
| Santander to Resita | 1,269.70 mi (2,043.39 km) |
| Santander to Roman | 1,505.55 mi (2,422.95 km) |
| Santander to Rosiori de Vede | 1,429.84 mi (2,301.10 km) |
| Santander to Rovinari | 1,333.64 mi (2,146.29 km) |
| Santander to Roznov | 1,486.06 mi (2,391.58 km) |
| Santander to Sabaoani | 1,501.57 mi (2,416.55 km) |
| Santander to Sacele | 1,452.80 mi (2,338.06 km) |
| Santander to Sacueni | 1,278.28 mi (2,057.20 km) |
| Santander to Salcea | 1,478.39 mi (2,379.24 km) |
| Santander to Salonta | 1,256.25 mi (2,021.73 km) |
