| Knowle to Portage (Michigan) | 3,766.67 mi (6,061.87 km) |
| Knowle to Portage (Wisconsin) | 3,849.73 mi (6,195.54 km) |
| Knowle to Portales (New Mexico) | 4,831.40 mi (7,775.38 km) |
| Knowle to Porterville (California) | 5,258.72 mi (8,463.09 km) |
| Knowle to Portland (Maine) | 3,101.09 mi (4,990.72 km) |
| Knowle to Portland (Oregon) | 4,820.93 mi (7,758.54 km) |
| Knowle to Portland (Tennessee) | 4,068.83 mi (6,548.15 km) |
| Knowle to Portland (Texas) | 4,937.24 mi (7,945.72 km) |
| Knowle to Portsmouth (New Hampshire) | 3,147.25 mi (5,065.00 km) |
| Knowle to Portsmouth (Ohio) | 3,824.21 mi (6,154.48 km) |
| Knowle to Portsmouth (Virginia) | 3,648.34 mi (5,871.44 km) |
| Knowle to Post Falls (Idaho) | 4,540.59 mi (7,307.37 km) |
| Knowle to Potomac (Maryland) | 3,582.56 mi (5,765.58 km) |
| Knowle to Potomac Park (California) | 5,296.74 mi (8,524.27 km) |
| Knowle to Pottstown (Pennsylvania) | 3,464.31 mi (5,575.27 km) |
