| Maryland Heights to Rhondda | 4,075.86 mi (6,559.46 km) |
| Maryland Heights to Rhosllanerchrugog | 4,050.18 mi (6,518.14 km) |
| Maryland Heights to Rhyl | 4,025.31 mi (6,478.10 km) |
| Maryland Heights to Rhymney | 4,076.98 mi (6,561.26 km) |
| Maryland Heights to Richmond | 4,201.39 mi (6,761.48 km) |
| Maryland Heights to Rickmansworth | 4,189.42 mi (6,742.21 km) |
| Maryland Heights to Ripley | 4,111.21 mi (6,616.35 km) |
| Maryland Heights to Ripon | 4,075.33 mi (6,558.61 km) |
| Maryland Heights to Risca | 4,088.81 mi (6,580.30 km) |
| Maryland Heights to Rochdale | 4,066.66 mi (6,544.66 km) |
| Maryland Heights to Rochester | 4,234.69 mi (6,815.08 km) |
| Maryland Heights to Rock Ferry | 4,041.68 mi (6,504.45 km) |
| Maryland Heights to Rogerstone | 4,090.77 mi (6,583.46 km) |
| Maryland Heights to Romford | 4,216.09 mi (6,785.15 km) |
| Maryland Heights to Romsey | 4,169.39 mi (6,709.98 km) |
