| Idanha-a-Nova to Brownsburg (Indiana) | 4,044.73 mi (6,509.37 km) |
| Idanha-a-Nova to Brownsville (Florida) | 4,230.78 mi (6,808.79 km) |
| Idanha-a-Nova to Brownsville (Texas) | 5,100.85 mi (8,209.03 km) |
| Idanha-a-Nova to Brownwood (Texas) | 4,939.56 mi (7,949.45 km) |
| Idanha-a-Nova to Brunswick (Georgia) | 4,099.03 mi (6,596.75 km) |
| Idanha-a-Nova to Brunswick (Ohio) | 3,786.83 mi (6,094.31 km) |
| Idanha-a-Nova to Brushy Creek (Texas) | 4,929.04 mi (7,932.52 km) |
| Idanha-a-Nova to Bryan (Texas) | 4,857.32 mi (7,817.10 km) |
| Idanha-a-Nova to Bryant (Arkansas) | 4,516.92 mi (7,269.27 km) |
| Idanha-a-Nova to Bryn Mawr-Skyway (Washington) | 5,201.80 mi (8,371.50 km) |
| Idanha-a-Nova to Buckeye (Arizona) | 5,488.06 mi (8,832.18 km) |
| Idanha-a-Nova to Buckhall (Virginia) | 3,651.29 mi (5,876.19 km) |
| Idanha-a-Nova to Bucyrus (Ohio) | 3,854.15 mi (6,202.66 km) |
| Idanha-a-Nova to Buda (Texas) | 4,952.11 mi (7,969.65 km) |
| Idanha-a-Nova to Buena Park (California) | 5,695.85 mi (9,166.58 km) |
