| Irun to Barberton (Ohio) | 3,925.33 mi (6,317.20 km) |
| Irun to Bardstown (Kentucky) | 4,217.50 mi (6,787.41 km) |
| Irun to Barrington (Illinois) | 4,168.43 mi (6,708.43 km) |
| Irun to Barstow (California) | 5,671.57 mi (9,127.51 km) |
| Irun to Bartlesville (Oklahoma) | 4,725.45 mi (7,604.88 km) |
| Irun to Bartlett (Illinois) | 4,178.32 mi (6,724.35 km) |
| Irun to Bartlett (Tennessee) | 4,518.40 mi (7,271.67 km) |
| Irun to Bartow (Florida) | 4,448.80 mi (7,159.65 km) |
| Irun to Batavia (Illinois) | 4,187.82 mi (6,739.65 km) |
| Irun to Batavia (New York) | 3,704.47 mi (5,961.77 km) |
| Irun to Batesville (Arkansas) | 4,576.93 mi (7,365.86 km) |
| Irun to Baton Rouge (Louisiana) | 4,782.04 mi (7,695.95 km) |
| Irun to Battle Creek (Michigan) | 4,038.12 mi (6,498.72 km) |
| Irun to Battle Ground (Washington) | 5,289.76 mi (8,513.04 km) |
| Irun to Bay City (Michigan) | 3,933.76 mi (6,330.77 km) |
