| Idanha-a-Nova to Ridgeland (Mississippi) | 4,485.45 mi (7,218.63 km) |
| Idanha-a-Nova to Ridgewood (New Jersey) | 3,426.72 mi (5,514.77 km) |
| Idanha-a-Nova to Rifle (Colorado) | 5,011.07 mi (8,064.54 km) |
| Idanha-a-Nova to Rincon (Georgia) | 4,046.53 mi (6,512.26 km) |
| Idanha-a-Nova to Ringwood (New Jersey) | 3,431.31 mi (5,522.16 km) |
| Idanha-a-Nova to Río Grande (Puerto Rico) | 3,761.81 mi (6,054.04 km) |
| Idanha-a-Nova to Rio Grande City (Texas) | 5,152.23 mi (8,291.72 km) |
| Idanha-a-Nova to Rio Linda (California) | 5,599.90 mi (9,012.17 km) |
| Idanha-a-Nova to Rio Rancho (New Mexico) | 5,145.44 mi (8,280.78 km) |
| Idanha-a-Nova to Rio Rico (Arizona) | 5,503.00 mi (8,856.22 km) |
| Idanha-a-Nova to Ripon (California) | 5,634.06 mi (9,067.15 km) |
| Idanha-a-Nova to River Edge (New Jersey) | 3,424.58 mi (5,511.32 km) |
| Idanha-a-Nova to River Falls (Wisconsin) | 4,162.44 mi (6,698.81 km) |
| Idanha-a-Nova to River Forest (Illinois) | 4,044.87 mi (6,509.59 km) |
| Idanha-a-Nova to River Grove (Illinois) | 4,044.78 mi (6,509.45 km) |
