| Giffnock to Blue Springs (Missouri) | 4,049.65 mi (6,517.28 km) |
| Giffnock to Bluffdale (Utah) | 4,557.63 mi (7,334.80 km) |
| Giffnock to Bluffton (Indiana) | 3,634.50 mi (5,849.16 km) |
| Giffnock to Bluffton (South Carolina) | 3,909.07 mi (6,291.04 km) |
| Giffnock to Blythe (California) | 5,031.12 mi (8,096.80 km) |
| Giffnock to Blytheville (Arkansas) | 4,052.57 mi (6,521.98 km) |
| Giffnock to Boca Raton (Florida) | 4,187.30 mi (6,738.80 km) |
| Giffnock to Boerne (Texas) | 4,704.54 mi (7,571.22 km) |
| Giffnock to Bogalusa (Louisiana) | 4,323.46 mi (6,957.94 km) |
| Giffnock to Boiling Springs (South Carolina) | 3,802.41 mi (6,119.39 km) |
| Giffnock to Boise (Idaho) | 4,509.60 mi (7,257.50 km) |
| Giffnock to Bolingbrook (Illinois) | 3,693.67 mi (5,944.38 km) |
| Giffnock to Bolivar (Missouri) | 4,092.58 mi (6,586.37 km) |
| Giffnock to Bon Air (Virginia) | 3,510.05 mi (5,648.89 km) |
| Giffnock to Bonham (Texas) | 4,405.54 mi (7,090.04 km) |
