| Witham to Portage (Michigan) | 3,874.92 mi (6,236.07 km) |
| Witham to Portage (Wisconsin) | 3,957.30 mi (6,368.66 km) |
| Witham to Portales (New Mexico) | 4,938.52 mi (7,947.78 km) |
| Witham to Porterville (California) | 5,359.98 mi (8,626.06 km) |
| Witham to Portland (Maine) | 3,209.39 mi (5,165.01 km) |
| Witham to Portland (Oregon) | 4,915.93 mi (7,911.43 km) |
| Witham to Portland (Tennessee) | 4,177.35 mi (6,722.79 km) |
| Witham to Portland (Texas) | 5,045.75 mi (8,120.34 km) |
| Witham to Portsmouth (New Hampshire) | 3,255.50 mi (5,239.22 km) |
| Witham to Portsmouth (Ohio) | 3,932.72 mi (6,329.10 km) |
| Witham to Portsmouth (Virginia) | 3,756.12 mi (6,044.89 km) |
| Witham to Post Falls (Idaho) | 4,637.44 mi (7,463.23 km) |
| Witham to Potomac (Maryland) | 3,690.80 mi (5,939.77 km) |
| Witham to Potomac Park (California) | 5,398.30 mi (8,687.72 km) |
| Witham to Pottstown (Pennsylvania) | 3,572.58 mi (5,749.51 km) |
