| Port Huron to Petaluma (California) | 2,112.69 mi (3,400.05 km) |
| Port Huron to Petersburg (Virginia) | 479.93 mi (772.38 km) |
| Port Huron to Pflugerville (Texas) | 1,202.43 mi (1,935.13 km) |
| Port Huron to Pharr (Texas) | 1,461.81 mi (2,352.56 km) |
| Port Huron to Phelan (California) | 1,965.37 mi (3,162.95 km) |
| Port Huron to Phenix City (Alabama) | 740.62 mi (1,191.91 km) |
| Port Huron to Philadelphia (Pennsylvania) | 430.07 mi (692.13 km) |
| Port Huron to Phillipsburg (New Jersey) | 405.58 mi (652.72 km) |
| Port Huron to Phoenix (Arizona) | 1,723.36 mi (2,773.48 km) |
| Port Huron to Phoenixville (Pennsylvania) | 408.00 mi (656.62 km) |
| Port Huron to Picayune (Mississippi) | 947.90 mi (1,525.51 km) |
| Port Huron to Pickerington (Ohio) | 214.39 mi (345.03 km) |
| Port Huron to Pico Rivera (California) | 2,008.48 mi (3,232.33 km) |
| Port Huron to Piedmont (California) | 2,103.66 mi (3,385.52 km) |
| Port Huron to Pierre (South Dakota) | 896.91 mi (1,443.43 km) |
