| Rock Island to Rhondda | 3,950.26 mi (6,357.33 km) |
| Rock Island to Rhosllanerchrugog | 3,920.65 mi (6,309.67 km) |
| Rock Island to Rhyl | 3,895.27 mi (6,268.84 km) |
| Rock Island to Rhymney | 3,950.89 mi (6,358.35 km) |
| Rock Island to Richmond | 4,073.67 mi (6,555.94 km) |
| Rock Island to Rickmansworth | 4,061.38 mi (6,536.16 km) |
| Rock Island to Ripley | 3,980.35 mi (6,405.75 km) |
| Rock Island to Ripon | 3,941.81 mi (6,343.72 km) |
| Rock Island to Risca | 3,962.97 mi (6,377.79 km) |
| Rock Island to Rochdale | 3,934.92 mi (6,332.64 km) |
| Rock Island to Rochester | 4,106.52 mi (6,608.80 km) |
| Rock Island to Rock Ferry | 3,911.17 mi (6,294.42 km) |
| Rock Island to Rogerstone | 3,964.95 mi (6,380.96 km) |
| Rock Island to Romford | 4,087.68 mi (6,578.48 km) |
| Rock Island to Romsey | 4,043.86 mi (6,507.96 km) |
