| Sleaford to Radauti | 1,204.85 mi (1,939.02 km) |
| Sleaford to Ramnicu Sarat | 1,337.06 mi (2,151.78 km) |
| Sleaford to Ramnicu Valcea | 1,239.41 mi (1,994.65 km) |
| Sleaford to Rasnov | 1,264.11 mi (2,034.39 km) |
| Sleaford to Reghin | 1,190.47 mi (1,915.88 km) |
| Sleaford to Resita | 1,132.96 mi (1,823.32 km) |
| Sleaford to Roman | 1,276.28 mi (2,053.97 km) |
| Sleaford to Rosiori de Vede | 1,304.39 mi (2,099.21 km) |
| Sleaford to Rovinari | 1,198.93 mi (1,929.49 km) |
| Sleaford to Roznov | 1,262.28 mi (2,031.44 km) |
| Sleaford to Sabaoani | 1,270.07 mi (2,043.98 km) |
| Sleaford to Sacele | 1,273.20 mi (2,049.02 km) |
| Sleaford to Sacueni | 1,063.94 mi (1,712.24 km) |
| Sleaford to Salcea | 1,229.56 mi (1,978.78 km) |
| Sleaford to Salonta | 1,065.64 mi (1,714.98 km) |
