| Portage to Blue Island (Illinois) | 113.80 mi (183.14 km) |
| Portage to Blue Springs (Missouri) | 505.52 mi (813.56 km) |
| Portage to Bluffdale (Utah) | 1,366.58 mi (2,199.29 km) |
| Portage to Bluffton (Indiana) | 103.00 mi (165.77 km) |
| Portage to Bluffton (South Carolina) | 735.78 mi (1,184.12 km) |
| Portage to Blythe (California) | 1,679.78 mi (2,703.35 km) |
| Portage to Blytheville (Arkansas) | 490.87 mi (789.97 km) |
| Portage to Boca Raton (Florida) | 1,136.63 mi (1,829.23 km) |
| Portage to Boerne (Texas) | 1,126.51 mi (1,812.95 km) |
| Portage to Bogalusa (Louisiana) | 823.58 mi (1,325.43 km) |
| Portage to Boiling Springs (South Carolina) | 531.30 mi (855.04 km) |
| Portage to Boise (Idaho) | 1,545.02 mi (2,486.48 km) |
| Portage to Bolingbrook (Illinois) | 133.78 mi (215.30 km) |
| Portage to Bolivar (Missouri) | 521.98 mi (840.05 km) |
| Portage to Bon Air (Virginia) | 533.93 mi (859.28 km) |
