| Irun to Brownsburg (Indiana) | 4,181.01 mi (6,728.69 km) |
| Irun to Brownsville (Florida) | 4,458.83 mi (7,175.79 km) |
| Irun to Brownsville (Texas) | 5,274.22 mi (8,488.04 km) |
| Irun to Brownwood (Texas) | 5,081.14 mi (8,177.30 km) |
| Irun to Brunswick (Georgia) | 4,297.50 mi (6,916.16 km) |
| Irun to Brunswick (Ohio) | 3,926.47 mi (6,319.05 km) |
| Irun to Brushy Creek (Texas) | 5,080.47 mi (8,176.23 km) |
| Irun to Bryan (Texas) | 5,012.45 mi (8,066.76 km) |
| Irun to Bryant (Arkansas) | 4,664.50 mi (7,506.78 km) |
| Irun to Bryn Mawr-Skyway (Washington) | 5,189.90 mi (8,352.33 km) |
| Irun to Buckeye (Arizona) | 5,574.13 mi (8,970.69 km) |
| Irun to Buckhall (Virginia) | 3,817.98 mi (6,144.45 km) |
| Irun to Bucyrus (Ohio) | 3,993.60 mi (6,427.08 km) |
| Irun to Buda (Texas) | 5,105.27 mi (8,216.14 km) |
| Irun to Buena Park (California) | 5,759.98 mi (9,269.79 km) |
