| Cities | Distance |
|---|---|
| Slough to Rhondda | 121.75 mi (195.94 km) |
| Slough to Rhosllanerchrugog | 147.08 mi (236.70 km) |
| Slough to Rhyl | 174.72 mi (281.19 km) |
| Slough to Rhymney | 116.85 mi (188.06 km) |
| Slough to Richmond | 12.87 mi (20.72 km) |
| Slough to Rickmansworth | 10.40 mi (16.73 km) |
| Slough to Ripley | 112.00 mi (180.24 km) |
| Slough to Ripon | 185.84 mi (299.08 km) |
| Slough to Risca | 107.73 mi (173.38 km) |
| Slough to Rochdale | 159.75 mi (257.09 km) |
| Slough to Rochester | 47.76 mi (76.86 km) |
| Slough to Rock Ferry | 164.25 mi (264.34 km) |
| Slough to Rogerstone | 106.08 mi (170.72 km) |
| Slough to Romford | 33.35 mi (53.67 km) |
| Slough to Romsey | 53.21 mi (85.64 km) |