| Idanha-a-Nova to Bear (Delaware) | 3,539.55 mi (5,696.35 km) |
| Idanha-a-Nova to Beatrice (Nebraska) | 4,503.44 mi (7,247.58 km) |
| Idanha-a-Nova to Beaufort (South Carolina) | 4,014.98 mi (6,461.48 km) |
| Idanha-a-Nova to Beaumont (California) | 5,650.62 mi (9,093.80 km) |
| Idanha-a-Nova to Beaumont (Texas) | 4,771.49 mi (7,678.97 km) |
| Idanha-a-Nova to Beaver Dam (Wisconsin) | 4,040.64 mi (6,502.78 km) |
| Idanha-a-Nova to Beavercreek (Ohio) | 3,938.75 mi (6,338.80 km) |
| Idanha-a-Nova to Beaverton (Oregon) | 5,318.90 mi (8,559.94 km) |
| Idanha-a-Nova to Beckley (West Virginia) | 3,861.78 mi (6,214.94 km) |
| Idanha-a-Nova to Bedford (Indiana) | 4,081.60 mi (6,568.70 km) |
| Idanha-a-Nova to Bedford (Ohio) | 3,769.23 mi (6,065.99 km) |
| Idanha-a-Nova to Bedford (Texas) | 4,806.49 mi (7,735.29 km) |
| Idanha-a-Nova to Bedford Heights (Ohio) | 3,767.43 mi (6,063.10 km) |
| Idanha-a-Nova to Beech Grove (Indiana) | 4,034.68 mi (6,493.18 km) |
| Idanha-a-Nova to Beeville (Texas) | 5,015.62 mi (8,071.85 km) |
