| Castelli Calepio to Blue Springs (Missouri) | 4,941.51 mi (7,952.59 km) |
| Castelli Calepio to Bluffdale (Utah) | 5,488.08 mi (8,832.21 km) |
| Castelli Calepio to Bluffton (Indiana) | 4,503.69 mi (7,247.99 km) |
| Castelli Calepio to Bluffton (South Carolina) | 4,707.34 mi (7,575.74 km) |
| Castelli Calepio to Blythe (California) | 5,957.44 mi (9,587.58 km) |
| Castelli Calepio to Blytheville (Arkansas) | 4,916.00 mi (7,911.54 km) |
| Castelli Calepio to Boca Raton (Florida) | 4,939.37 mi (7,949.15 km) |
| Castelli Calepio to Boerne (Texas) | 5,577.25 mi (8,975.72 km) |
| Castelli Calepio to Bogalusa (Louisiana) | 5,160.85 mi (8,305.59 km) |
| Castelli Calepio to Boiling Springs (South Carolina) | 4,624.92 mi (7,443.09 km) |
| Castelli Calepio to Boise (Idaho) | 5,443.77 mi (8,760.91 km) |
| Castelli Calepio to Bolingbrook (Illinois) | 4,577.30 mi (7,366.45 km) |
| Castelli Calepio to Bolivar (Missouri) | 4,976.31 mi (8,008.60 km) |
| Castelli Calepio to Bon Air (Virginia) | 4,326.82 mi (6,963.35 km) |
| Castelli Calepio to Bonham (Texas) | 5,283.20 mi (8,502.49 km) |
