| Sleaford to Rhondda | 158.74 mi (255.46 km) |
| Sleaford to Rhosllanerchrugog | 109.72 mi (176.58 km) |
| Sleaford to Rhyl | 129.02 mi (207.64 km) |
| Sleaford to Rhymney | 148.17 mi (238.45 km) |
| Sleaford to Richmond | 106.51 mi (171.41 km) |
| Sleaford to Rickmansworth | 93.83 mi (151.01 km) |
| Sleaford to Ripley | 41.48 mi (66.75 km) |
| Sleaford to Ripon | 91.12 mi (146.65 km) |
| Sleaford to Risca | 148.30 mi (238.67 km) |
| Sleaford to Rochdale | 83.84 mi (134.92 km) |
| Sleaford to Rochester | 118.49 mi (190.69 km) |
| Sleaford to Rock Ferry | 110.55 mi (177.91 km) |
| Sleaford to Rogerstone | 147.91 mi (238.04 km) |
| Sleaford to Romford | 101.21 mi (162.88 km) |
| Sleaford to Romsey | 146.13 mi (235.17 km) |
