| Norristown to Portage (Michigan) | 551.81 mi (888.06 km) |
| Norristown to Portage (Wisconsin) | 763.62 mi (1,228.93 km) |
| Norristown to Portales (New Mexico) | 1,589.39 mi (2,557.87 km) |
| Norristown to Porterville (California) | 2,368.51 mi (3,811.74 km) |
| Norristown to Portland (Maine) | 358.01 mi (576.16 km) |
| Norristown to Portland (Oregon) | 2,390.97 mi (3,847.90 km) |
| Norristown to Portland (Tennessee) | 652.61 mi (1,050.27 km) |
| Norristown to Portland (Texas) | 1,509.77 mi (2,429.74 km) |
| Norristown to Portsmouth (New Hampshire) | 310.71 mi (500.04 km) |
| Norristown to Portsmouth (Ohio) | 416.53 mi (670.33 km) |
| Norristown to Portsmouth (Virginia) | 232.88 mi (374.78 km) |
| Norristown to Post Falls (Idaho) | 2,108.44 mi (3,393.21 km) |
| Norristown to Potomac (Maryland) | 124.98 mi (201.14 km) |
| Norristown to Potomac Park (California) | 2,382.07 mi (3,833.58 km) |
| Norristown to Pottstown (Pennsylvania) | 18.36 mi (29.55 km) |
