| Allentown to Rhondda | 3,389.44 mi (5,454.78 km) |
| Allentown to Rhosllanerchrugog | 3,376.83 mi (5,434.48 km) |
| Allentown to Rhyl | 3,353.94 mi (5,397.65 km) |
| Allentown to Rhymney | 3,392.07 mi (5,459.01 km) |
| Allentown to Richmond | 3,520.22 mi (5,665.25 km) |
| Allentown to Rickmansworth | 3,509.43 mi (5,647.89 km) |
| Allentown to Ripley | 3,441.57 mi (5,538.68 km) |
| Allentown to Ripon | 3,415.48 mi (5,496.68 km) |
| Allentown to Risca | 3,403.00 mi (5,476.59 km) |
| Allentown to Rochdale | 3,400.62 mi (5,472.77 km) |
| Allentown to Rochester | 3,554.65 mi (5,720.65 km) |
| Allentown to Rock Ferry | 3,371.72 mi (5,426.26 km) |
| Allentown to Rogerstone | 3,404.88 mi (5,479.63 km) |
| Allentown to Romford | 3,537.02 mi (5,692.29 km) |
| Allentown to Romsey | 3,481.70 mi (5,603.25 km) |
