| Cobh to Blue Springs (Missouri) | 4,013.00 mi (6,458.31 km) |
| Cobh to Bluffdale (Utah) | 4,590.85 mi (7,388.25 km) |
| Cobh to Bluffton (Indiana) | 3,573.44 mi (5,750.89 km) |
| Cobh to Bluffton (South Carolina) | 3,792.30 mi (6,103.11 km) |
| Cobh to Blythe (California) | 5,049.99 mi (8,127.18 km) |
| Cobh to Blytheville (Arkansas) | 3,986.10 mi (6,415.00 km) |
| Cobh to Boca Raton (Florida) | 4,043.79 mi (6,507.85 km) |
| Cobh to Boerne (Texas) | 4,647.02 mi (7,478.66 km) |
| Cobh to Bogalusa (Louisiana) | 4,235.15 mi (6,815.81 km) |
| Cobh to Boiling Springs (South Carolina) | 3,702.18 mi (5,958.08 km) |
| Cobh to Boise (Idaho) | 4,569.47 mi (7,353.86 km) |
| Cobh to Bolingbrook (Illinois) | 3,647.71 mi (5,870.43 km) |
| Cobh to Bolivar (Missouri) | 4,046.55 mi (6,512.29 km) |
| Cobh to Bon Air (Virginia) | 3,405.13 mi (5,480.03 km) |
| Cobh to Bonham (Texas) | 4,352.97 mi (7,005.43 km) |
