| Donostia to Blue Springs (Missouri) | 4,549.19 mi (7,321.21 km) |
| Donostia to Bluffdale (Utah) | 5,191.78 mi (8,355.37 km) |
| Donostia to Bluffton (Indiana) | 4,085.43 mi (6,574.86 km) |
| Donostia to Bluffton (South Carolina) | 4,219.76 mi (6,791.04 km) |
| Donostia to Blythe (California) | 5,635.61 mi (9,069.63 km) |
| Donostia to Blytheville (Arkansas) | 4,485.32 mi (7,218.42 km) |
| Donostia to Boca Raton (Florida) | 4,419.74 mi (7,112.88 km) |
| Donostia to Boerne (Texas) | 5,150.10 mi (8,288.28 km) |
| Donostia to Bogalusa (Louisiana) | 4,700.12 mi (7,564.11 km) |
| Donostia to Boiling Springs (South Carolina) | 4,157.44 mi (6,690.75 km) |
| Donostia to Boise (Idaho) | 5,190.53 mi (8,353.35 km) |
| Donostia to Bolingbrook (Illinois) | 4,177.29 mi (6,722.70 km) |
| Donostia to Bolivar (Missouri) | 4,571.14 mi (7,356.54 km) |
| Donostia to Bon Air (Virginia) | 3,858.57 mi (6,209.77 km) |
| Donostia to Bonham (Texas) | 4,865.84 mi (7,830.81 km) |
