| Clydebank to Portage (Michigan) | 3,571.85 mi (5,748.33 km) |
| Clydebank to Portage (Wisconsin) | 3,643.82 mi (5,864.17 km) |
| Clydebank to Portales (New Mexico) | 4,619.76 mi (7,434.79 km) |
| Clydebank to Porterville (California) | 5,018.11 mi (8,075.87 km) |
| Clydebank to Portland (Maine) | 2,934.51 mi (4,722.64 km) |
| Clydebank to Portland (Oregon) | 4,567.17 mi (7,350.15 km) |
| Clydebank to Portland (Tennessee) | 3,887.76 mi (6,256.75 km) |
| Clydebank to Portland (Texas) | 4,751.62 mi (7,647.00 km) |
| Clydebank to Portsmouth (New Hampshire) | 2,981.97 mi (4,799.01 km) |
| Clydebank to Portsmouth (Ohio) | 3,645.23 mi (5,866.43 km) |
| Clydebank to Portsmouth (Virginia) | 3,491.90 mi (5,619.66 km) |
| Clydebank to Post Falls (Idaho) | 4,289.94 mi (6,903.98 km) |
| Clydebank to Potomac (Maryland) | 3,416.55 mi (5,498.41 km) |
| Clydebank to Potomac Park (California) | 5,057.00 mi (8,138.46 km) |
| Clydebank to Pottstown (Pennsylvania) | 3,297.84 mi (5,307.36 km) |
