| Idanha-a-Nova to Rhosllanerchrugog | 925.95 mi (1,490.17 km) |
| Idanha-a-Nova to Rhyl | 942.78 mi (1,517.26 km) |
| Idanha-a-Nova to Rhymney | 839.70 mi (1,351.37 km) |
| Idanha-a-Nova to Richmond | 863.70 mi (1,390.00 km) |
| Idanha-a-Nova to Rickmansworth | 872.15 mi (1,403.59 km) |
| Idanha-a-Nova to Ripley | 948.03 mi (1,525.70 km) |
| Idanha-a-Nova to Ripon | 1,017.89 mi (1,638.14 km) |
| Idanha-a-Nova to Risca | 831.75 mi (1,338.57 km) |
| Idanha-a-Nova to Rochdale | 975.71 mi (1,570.25 km) |
| Idanha-a-Nova to Rochester | 874.22 mi (1,406.93 km) |
| Idanha-a-Nova to Rock Ferry | 950.67 mi (1,529.95 km) |
| Idanha-a-Nova to Rogerstone | 831.02 mi (1,337.39 km) |
| Idanha-a-Nova to Romford | 880.27 mi (1,416.66 km) |
| Idanha-a-Nova to Romsey | 813.36 mi (1,308.97 km) |
| Idanha-a-Nova to Ross on Wye | 858.04 mi (1,380.88 km) |
