| Penwortham to Bonita (California) | 5,298.71 mi (8,527.45 km) |
| Penwortham to Bonita Springs (Florida) | 4,332.84 mi (6,973.03 km) |
| Penwortham to Bonney Lake (Washington) | 4,616.13 mi (7,428.94 km) |
| Penwortham to Boone (Iowa) | 4,001.27 mi (6,439.42 km) |
| Penwortham to Boone (North Carolina) | 3,827.76 mi (6,160.18 km) |
| Penwortham to Borger (Texas) | 4,599.92 mi (7,402.85 km) |
| Penwortham to Bossier City (Louisiana) | 4,479.46 mi (7,209.00 km) |
| Penwortham to Boston (Massachusetts) | 3,125.94 mi (5,030.71 km) |
| Penwortham to Bostonia (California) | 5,287.24 mi (8,508.99 km) |
| Penwortham to Bothell (Washington) | 4,583.04 mi (7,375.68 km) |
| Penwortham to Bothell East (Washington) | 4,580.63 mi (7,371.82 km) |
| Penwortham to Bothell West (Washington) | 4,582.13 mi (7,374.23 km) |
| Penwortham to Boulder (Colorado) | 4,501.21 mi (7,243.99 km) |
| Penwortham to Boulder City (Nevada) | 5,049.75 mi (8,126.79 km) |
| Penwortham to Bound Brook (New Jersey) | 3,340.59 mi (5,376.16 km) |
