| Katy to Rhondda | 4,731.98 mi (7,615.39 km) |
| Katy to Rhosllanerchrugog | 4,711.65 mi (7,582.67 km) |
| Katy to Rhyl | 4,687.47 mi (7,543.76 km) |
| Katy to Rhymney | 4,733.76 mi (7,618.25 km) |
| Katy to Richmond | 4,860.04 mi (7,821.48 km) |
| Katy to Rickmansworth | 4,848.54 mi (7,802.97 km) |
| Katy to Ripley | 4,774.22 mi (7,683.37 km) |
| Katy to Ripon | 4,741.72 mi (7,631.06 km) |
| Katy to Risca | 4,745.23 mi (7,636.70 km) |
| Katy to Rochdale | 4,730.89 mi (7,613.62 km) |
| Katy to Rochester | 4,893.89 mi (7,875.95 km) |
| Katy to Rock Ferry | 4,704.41 mi (7,571.02 km) |
| Katy to Rogerstone | 4,747.16 mi (7,639.81 km) |
| Katy to Romford | 4,875.65 mi (7,846.61 km) |
| Katy to Romsey | 4,825.14 mi (7,765.32 km) |
