| Middle River to Rhondda | 3,483.03 mi (5,605.40 km) |
| Middle River to Rhosllanerchrugog | 3,471.51 mi (5,586.85 km) |
| Middle River to Rhyl | 3,448.79 mi (5,550.30 km) |
| Middle River to Rhymney | 3,485.79 mi (5,609.83 km) |
| Middle River to Richmond | 3,614.16 mi (5,816.42 km) |
| Middle River to Rickmansworth | 3,603.47 mi (5,799.23 km) |
| Middle River to Ripley | 3,536.48 mi (5,691.42 km) |
| Middle River to Ripon | 3,511.10 mi (5,650.57 km) |
| Middle River to Risca | 3,496.62 mi (5,627.27 km) |
| Middle River to Rochdale | 3,495.83 mi (5,625.99 km) |
| Middle River to Rochester | 3,648.64 mi (5,871.93 km) |
| Middle River to Rock Ferry | 3,466.66 mi (5,579.05 km) |
| Middle River to Rogerstone | 3,498.50 mi (5,630.29 km) |
| Middle River to Romford | 3,631.12 mi (5,843.72 km) |
| Middle River to Romsey | 3,575.10 mi (5,753.56 km) |
