| Potters Bar to Rhosllanerchrugog | 151.27 mi (243.45 km) |
| Potters Bar to Rhyl | 178.29 mi (286.93 km) |
| Potters Bar to Rhymney | 132.72 mi (213.60 km) |
| Potters Bar to Richmond | 17.47 mi (28.12 km) |
| Potters Bar to Rickmansworth | 12.81 mi (20.61 km) |
| Potters Bar to Ripley | 106.73 mi (171.76 km) |
| Potters Bar to Ripon | 177.59 mi (285.81 km) |
| Potters Bar to Risca | 124.80 mi (200.85 km) |
| Potters Bar to Rochdale | 156.16 mi (251.32 km) |
| Potters Bar to Rochester | 36.87 mi (59.34 km) |
| Potters Bar to Rock Ferry | 165.78 mi (266.79 km) |
| Potters Bar to Rogerstone | 123.30 mi (198.43 km) |
| Potters Bar to Romford | 17.68 mi (28.45 km) |
| Potters Bar to Romsey | 74.92 mi (120.58 km) |
| Potters Bar to Ross on Wye | 103.78 mi (167.01 km) |
