| Greenock to Blue Springs (Missouri) | 4,028.92 mi (6,483.91 km) |
| Greenock to Bluffdale (Utah) | 4,537.06 mi (7,301.70 km) |
| Greenock to Bluffton (Indiana) | 3,613.97 mi (5,816.12 km) |
| Greenock to Bluffton (South Carolina) | 3,889.46 mi (6,259.49 km) |
| Greenock to Blythe (California) | 5,010.44 mi (8,063.52 km) |
| Greenock to Blytheville (Arkansas) | 4,032.08 mi (6,489.01 km) |
| Greenock to Boca Raton (Florida) | 4,168.37 mi (6,708.35 km) |
| Greenock to Boerne (Texas) | 4,683.93 mi (7,538.06 km) |
| Greenock to Bogalusa (Louisiana) | 4,303.26 mi (6,925.43 km) |
| Greenock to Boiling Springs (South Carolina) | 3,782.46 mi (6,087.28 km) |
| Greenock to Boise (Idaho) | 4,489.36 mi (7,224.93 km) |
| Greenock to Bolingbrook (Illinois) | 3,673.00 mi (5,911.12 km) |
| Greenock to Bolivar (Missouri) | 4,071.90 mi (6,553.09 km) |
| Greenock to Bon Air (Virginia) | 3,490.23 mi (5,616.97 km) |
| Greenock to Bonham (Texas) | 4,384.90 mi (7,056.82 km) |
