| Idanha-a-Nova to Roy (Utah) | 5,116.37 mi (8,234.00 km) |
| Idanha-a-Nova to Royal Kunia (Hawaii) | 7,800.68 mi (12,553.98 km) |
| Idanha-a-Nova to Royal Oak (Michigan) | 3,811.99 mi (6,134.80 km) |
| Idanha-a-Nova to Royal Palm Beach (Florida) | 4,196.68 mi (6,753.90 km) |
| Idanha-a-Nova to Royse City (Texas) | 4,762.46 mi (7,664.45 km) |
| Idanha-a-Nova to Ruskin (Florida) | 4,272.71 mi (6,876.26 km) |
| Idanha-a-Nova to Russellville (Alabama) | 4,290.96 mi (6,905.63 km) |
| Idanha-a-Nova to Russellville (Arkansas) | 4,523.01 mi (7,279.08 km) |
| Idanha-a-Nova to Ruston (Louisiana) | 4,602.66 mi (7,407.26 km) |
| Idanha-a-Nova to Rutherford (New Jersey) | 3,430.60 mi (5,521.02 km) |
| Idanha-a-Nova to Rutland (Vermont) | 3,308.02 mi (5,323.74 km) |
| Idanha-a-Nova to Sabana Grande (Puerto Rico) | 3,833.37 mi (6,169.21 km) |
| Idanha-a-Nova to Sachse (Texas) | 4,775.07 mi (7,684.73 km) |
| Idanha-a-Nova to Saco (Maine) | 3,190.45 mi (5,134.54 km) |
| Idanha-a-Nova to Sacramento (California) | 5,606.77 mi (9,023.22 km) |
