| Markham to Rhondda | 3,832.96 mi (6,168.55 km) |
| Markham to Rhosllanerchrugog | 3,806.04 mi (6,125.23 km) |
| Markham to Rhyl | 3,781.02 mi (6,084.96 km) |
| Markham to Rhymney | 3,833.91 mi (6,170.09 km) |
| Markham to Richmond | 3,957.82 mi (6,369.50 km) |
| Markham to Rickmansworth | 3,945.75 mi (6,350.07 km) |
| Markham to Ripley | 3,866.70 mi (6,222.85 km) |
| Markham to Ripon | 3,830.11 mi (6,163.97 km) |
| Markham to Risca | 3,845.83 mi (6,189.27 km) |
| Markham to Rochdale | 3,821.91 mi (6,150.76 km) |
| Markham to Rochester | 3,990.99 mi (6,422.89 km) |
| Markham to Rock Ferry | 3,797.26 mi (6,111.09 km) |
| Markham to Rogerstone | 3,847.80 mi (6,192.43 km) |
| Markham to Romford | 3,972.32 mi (6,392.83 km) |
| Markham to Romsey | 3,926.53 mi (6,319.14 km) |
