| Williamsport to Portage (Indiana) | 525.81 mi (846.21 km) |
| Williamsport to Portage (Michigan) | 445.89 mi (717.59 km) |
| Williamsport to Portage (Wisconsin) | 653.27 mi (1,051.33 km) |
| Williamsport to Portales (New Mexico) | 1,512.28 mi (2,433.78 km) |
| Williamsport to Porterville (California) | 2,271.74 mi (3,656.01 km) |
| Williamsport to Portland (Maine) | 383.63 mi (617.39 km) |
| Williamsport to Portland (Oregon) | 2,278.31 mi (3,666.58 km) |
| Williamsport to Portland (Tennessee) | 602.14 mi (969.06 km) |
| Williamsport to Portland (Texas) | 1,471.01 mi (2,367.35 km) |
| Williamsport to Portsmouth (New Hampshire) | 344.02 mi (553.65 km) |
| Williamsport to Portsmouth (Ohio) | 356.65 mi (573.97 km) |
| Williamsport to Portsmouth (Virginia) | 305.74 mi (492.03 km) |
| Williamsport to Post Falls (Idaho) | 1,993.91 mi (3,208.89 km) |
| Williamsport to Potomac (Maryland) | 154.01 mi (247.86 km) |
| Williamsport to Potomac Park (California) | 2,286.74 mi (3,680.16 km) |
