| Ashton to Portage (Michigan) | 3,721.05 mi (5,988.45 km) |
| Ashton to Portage (Wisconsin) | 3,800.28 mi (6,115.97 km) |
| Ashton to Portales (New Mexico) | 4,780.17 mi (7,692.93 km) |
| Ashton to Porterville (California) | 5,196.51 mi (8,362.98 km) |
| Ashton to Portland (Maine) | 3,064.57 mi (4,931.95 km) |
| Ashton to Portland (Oregon) | 4,752.95 mi (7,649.13 km) |
| Ashton to Portland (Tennessee) | 4,027.99 mi (6,482.42 km) |
| Ashton to Portland (Texas) | 4,895.14 mi (7,877.97 km) |
| Ashton to Portsmouth (New Hampshire) | 3,111.18 mi (5,006.96 km) |
| Ashton to Portsmouth (Ohio) | 3,783.97 mi (6,089.72 km) |
| Ashton to Portsmouth (Virginia) | 3,615.43 mi (5,818.47 km) |
| Ashton to Post Falls (Idaho) | 4,474.02 mi (7,200.24 km) |
| Ashton to Potomac (Maryland) | 3,546.50 mi (5,707.54 km) |
| Ashton to Potomac Park (California) | 5,234.89 mi (8,424.74 km) |
| Ashton to Pottstown (Pennsylvania) | 3,428.04 mi (5,516.90 km) |
