| Portage to Baraboo (Wisconsin) | 227.66 mi (366.38 km) |
| Portage to Barberton (Ohio) | 221.77 mi (356.90 km) |
| Portage to Bardstown (Kentucky) | 302.89 mi (487.45 km) |
| Portage to Barrington (Illinois) | 129.97 mi (209.17 km) |
| Portage to Barstow (California) | 1,762.74 mi (2,836.86 km) |
| Portage to Bartlesville (Oklahoma) | 668.22 mi (1,075.40 km) |
| Portage to Bartlett (Illinois) | 135.01 mi (217.27 km) |
| Portage to Bartlett (Tennessee) | 532.40 mi (856.82 km) |
| Portage to Bartow (Florida) | 1,011.38 mi (1,627.65 km) |
| Portage to Batavia (Illinois) | 141.72 mi (228.08 km) |
| Portage to Batavia (New York) | 380.78 mi (612.81 km) |
| Portage to Batesville (Arkansas) | 549.59 mi (884.47 km) |
| Portage to Baton Rouge (Louisiana) | 868.46 mi (1,397.65 km) |
| Portage to Battle Creek (Michigan) | 19.68 mi (31.67 km) |
| Portage to Battle Ground (Washington) | 1,836.78 mi (2,956.01 km) |
