| Idanha-a-Nova to River Ridge (Louisiana) | 4,582.50 mi (7,374.82 km) |
| Idanha-a-Nova to Riverbank (California) | 5,627.55 mi (9,056.67 km) |
| Idanha-a-Nova to Riverdale (Georgia) | 4,161.12 mi (6,696.67 km) |
| Idanha-a-Nova to Riverdale (Illinois) | 4,044.53 mi (6,509.04 km) |
| Idanha-a-Nova to Riverside (California) | 5,666.64 mi (9,119.58 km) |
| Idanha-a-Nova to Riverside (Ohio) | 3,939.91 mi (6,340.68 km) |
| Idanha-a-Nova to Riverton (Utah) | 5,141.74 mi (8,274.83 km) |
| Idanha-a-Nova to Riverton (Wyoming) | 4,890.12 mi (7,869.89 km) |
| Idanha-a-Nova to Riverview (Florida) | 4,262.27 mi (6,859.46 km) |
| Idanha-a-Nova to Riverview (Michigan) | 3,823.73 mi (6,153.70 km) |
| Idanha-a-Nova to Riviera Beach (Florida) | 4,186.00 mi (6,736.71 km) |
| Idanha-a-Nova to Riviera Beach (Maryland) | 3,593.62 mi (5,783.37 km) |
| Idanha-a-Nova to Roanoke (Virginia) | 3,817.94 mi (6,144.38 km) |
| Idanha-a-Nova to Roanoke Rapids (North Carolina) | 3,730.01 mi (6,002.88 km) |
| Idanha-a-Nova to Robbinsdale (Minnesota) | 4,187.48 mi (6,739.10 km) |
