| Kastamonu to Blue Springs (Missouri) | 5,993.66 mi (9,645.86 km) |
| Kastamonu to Bluffdale (Utah) | 6,386.96 mi (10,278.82 km) |
| Kastamonu to Bluffton (Indiana) | 5,597.42 mi (9,008.17 km) |
| Kastamonu to Bluffton (South Carolina) | 5,873.59 mi (9,452.62 km) |
| Kastamonu to Blythe (California) | 6,879.31 mi (11,071.18 km) |
| Kastamonu to Blytheville (Arkansas) | 6,016.67 mi (9,682.89 km) |
| Kastamonu to Boca Raton (Florida) | 6,133.47 mi (9,870.87 km) |
| Kastamonu to Boerne (Texas) | 6,661.44 mi (10,720.55 km) |
| Kastamonu to Bogalusa (Louisiana) | 6,293.04 mi (10,127.67 km) |
| Kastamonu to Boiling Springs (South Carolina) | 5,771.61 mi (9,288.50 km) |
| Kastamonu to Boise (Idaho) | 6,276.95 mi (10,101.77 km) |
| Kastamonu to Bolingbrook (Illinois) | 5,647.54 mi (9,088.84 km) |
| Kastamonu to Bolivar (Missouri) | 6,044.18 mi (9,727.17 km) |
| Kastamonu to Bon Air (Virginia) | 5,478.13 mi (8,816.20 km) |
| Kastamonu to Bonham (Texas) | 6,360.34 mi (10,235.97 km) |
