| Portage to Bonham (Texas) | 828.21 mi (1,332.88 km) |
| Portage to Bonita (California) | 1,833.65 mi (2,950.98 km) |
| Portage to Bonita Springs (Florida) | 1,115.74 mi (1,795.62 km) |
| Portage to Bonney Lake (Washington) | 1,812.14 mi (2,916.36 km) |
| Portage to Boone (Iowa) | 424.58 mi (683.30 km) |
| Portage to Boone (North Carolina) | 463.93 mi (746.62 km) |
| Portage to Borger (Texas) | 960.32 mi (1,545.49 km) |
| Portage to Bossier City (Louisiana) | 801.50 mi (1,289.89 km) |
| Portage to Boston (Massachusetts) | 740.90 mi (1,192.37 km) |
| Portage to Bostonia (California) | 1,824.23 mi (2,935.81 km) |
| Portage to Bothell (Washington) | 1,812.29 mi (2,916.60 km) |
| Portage to Bothell East (Washington) | 1,811.31 mi (2,915.02 km) |
| Portage to Bothell West (Washington) | 1,813.89 mi (2,919.18 km) |
| Portage to Boulder (Colorado) | 1,032.14 mi (1,661.06 km) |
| Portage to Boulder City (Nevada) | 1,625.87 mi (2,616.59 km) |
