| Catonsville to Rhondda | 3,499.57 mi (5,632.01 km) |
| Catonsville to Rhosllanerchrugog | 3,487.83 mi (5,613.11 km) |
| Catonsville to Rhyl | 3,465.07 mi (5,576.49 km) |
| Catonsville to Rhymney | 3,502.30 mi (5,636.40 km) |
| Catonsville to Richmond | 3,630.63 mi (5,842.93 km) |
| Catonsville to Rickmansworth | 3,619.93 mi (5,825.71 km) |
| Catonsville to Ripley | 3,552.75 mi (5,717.60 km) |
| Catonsville to Ripon | 3,527.19 mi (5,676.47 km) |
| Catonsville to Risca | 3,513.15 mi (5,653.87 km) |
| Catonsville to Rochdale | 3,512.02 mi (5,652.06 km) |
| Catonsville to Rochester | 3,665.10 mi (5,898.41 km) |
| Catonsville to Rock Ferry | 3,482.92 mi (5,605.22 km) |
| Catonsville to Rogerstone | 3,515.03 mi (5,656.90 km) |
| Catonsville to Romford | 3,647.56 mi (5,870.18 km) |
| Catonsville to Romsey | 3,591.67 mi (5,780.23 km) |
