| Barth to Portage (Michigan) | 4,220.20 mi (6,791.76 km) |
| Barth to Portage (Wisconsin) | 4,277.54 mi (6,884.03 km) |
| Barth to Portales (New Mexico) | 5,239.73 mi (8,432.53 km) |
| Barth to Porterville (California) | 5,562.72 mi (8,952.33 km) |
| Barth to Portland (Maine) | 3,607.57 mi (5,805.83 km) |
| Barth to Portland (Oregon) | 5,054.96 mi (8,135.18 km) |
| Barth to Portland (Tennessee) | 4,548.67 mi (7,320.38 km) |
| Barth to Portland (Texas) | 5,406.08 mi (8,700.24 km) |
| Barth to Portsmouth (New Hampshire) | 3,655.58 mi (5,883.09 km) |
| Barth to Portsmouth (Ohio) | 4,308.50 mi (6,933.85 km) |
| Barth to Portsmouth (Virginia) | 4,168.61 mi (6,708.74 km) |
| Barth to Post Falls (Idaho) | 4,797.66 mi (7,721.10 km) |
| Barth to Potomac (Maryland) | 4,088.92 mi (6,580.49 km) |
| Barth to Potomac Park (California) | 5,604.48 mi (9,019.55 km) |
| Barth to Pottstown (Pennsylvania) | 3,970.19 mi (6,389.40 km) |
