| Dartford to Portage (Michigan) | 3,870.20 mi (6,228.48 km) |
| Dartford to Portage (Wisconsin) | 3,954.42 mi (6,364.02 km) |
| Dartford to Portales (New Mexico) | 4,936.47 mi (7,944.49 km) |
| Dartford to Porterville (California) | 5,364.22 mi (8,632.88 km) |
| Dartford to Portland (Maine) | 3,200.75 mi (5,151.12 km) |
| Dartford to Portland (Oregon) | 4,924.23 mi (7,924.79 km) |
| Dartford to Portland (Tennessee) | 4,170.41 mi (6,711.63 km) |
| Dartford to Portland (Texas) | 5,039.28 mi (8,109.93 km) |
| Dartford to Portsmouth (New Hampshire) | 3,246.67 mi (5,225.01 km) |
| Dartford to Portsmouth (Ohio) | 3,925.55 mi (6,317.57 km) |
| Dartford to Portsmouth (Virginia) | 3,745.91 mi (6,028.46 km) |
| Dartford to Post Falls (Idaho) | 4,644.66 mi (7,474.85 km) |
| Dartford to Potomac (Maryland) | 3,681.89 mi (5,925.42 km) |
| Dartford to Potomac Park (California) | 5,402.31 mi (8,694.17 km) |
| Dartford to Pottstown (Pennsylvania) | 3,563.77 mi (5,735.34 km) |
