| Portage to Bixby (Oklahoma) | 700.01 mi (1,126.55 km) |
| Portage to Black Forest (Colorado) | 1,021.65 mi (1,644.18 km) |
| Portage to Blackfoot (Idaho) | 1,354.56 mi (2,179.95 km) |
| Portage to Blackhawk (California) | 1,930.81 mi (3,107.33 km) |
| Portage to Blacksburg (Virginia) | 439.37 mi (707.09 km) |
| Portage to Blackwells Mills (New Jersey) | 582.12 mi (936.84 km) |
| Portage to Blaine (Minnesota) | 432.11 mi (695.42 km) |
| Portage to Bloomingdale (Florida) | 1,007.05 mi (1,620.69 km) |
| Portage to Bloomingdale (Illinois) | 129.32 mi (208.11 km) |
| Portage to Bloomington (California) | 1,805.91 mi (2,906.33 km) |
| Portage to Bloomington (Illinois) | 211.95 mi (341.10 km) |
| Portage to Bloomington (Indiana) | 215.43 mi (346.70 km) |
| Portage to Bloomington (Minnesota) | 427.35 mi (687.76 km) |
| Portage to Bloomsburg (Pennsylvania) | 478.90 mi (770.71 km) |
| Portage to Blue Ash (Ohio) | 213.54 mi (343.66 km) |
