| South Houston to Rhondda | 4,714.33 mi (7,586.99 km) |
| South Houston to Rhosllanerchrugog | 4,694.87 mi (7,555.66 km) |
| South Houston to Rhyl | 4,670.82 mi (7,516.96 km) |
| South Houston to Rhymney | 4,716.22 mi (7,590.02 km) |
| South Houston to Richmond | 4,842.76 mi (7,793.66 km) |
| South Houston to Rickmansworth | 4,831.33 mi (7,775.28 km) |
| South Houston to Ripley | 4,757.69 mi (7,656.76 km) |
| South Houston to Ripon | 4,725.81 mi (7,605.45 km) |
| South Houston to Risca | 4,727.62 mi (7,608.37 km) |
| South Houston to Rochdale | 4,714.58 mi (7,587.38 km) |
| South Houston to Rochester | 4,876.68 mi (7,848.25 km) |
| South Houston to Rock Ferry | 4,687.85 mi (7,544.36 km) |
| South Houston to Rogerstone | 4,729.54 mi (7,611.46 km) |
| South Houston to Romford | 4,858.51 mi (7,819.01 km) |
| South Houston to Romsey | 4,807.41 mi (7,736.78 km) |
