| Hertford to Pell City (Alabama) | 4,287.38 mi (6,899.87 km) |
| Hertford to Pella (Iowa) | 4,160.53 mi (6,695.73 km) |
| Hertford to Pembroke Pines (Florida) | 4,420.70 mi (7,114.42 km) |
| Hertford to Pendleton (Oregon) | 4,784.36 mi (7,699.69 km) |
| Hertford to Pensacola (Florida) | 4,480.70 mi (7,211.00 km) |
| Hertford to Peoria (Arizona) | 5,248.44 mi (8,446.54 km) |
| Hertford to Peoria (Illinois) | 4,068.59 mi (6,547.77 km) |
| Hertford to Perris (California) | 5,411.08 mi (8,708.29 km) |
| Hertford to Perry (Georgia) | 4,238.25 mi (6,820.80 km) |
| Hertford to Perry Hall (Maryland) | 3,615.14 mi (5,818.01 km) |
| Hertford to Perrysburg (Ohio) | 3,803.02 mi (6,120.37 km) |
| Hertford to Perth Amboy (New Jersey) | 3,476.22 mi (5,594.43 km) |
| Hertford to Peru (Indiana) | 3,933.12 mi (6,329.74 km) |
| Hertford to Petal (Mississippi) | 4,517.47 mi (7,270.16 km) |
| Hertford to Petaluma (California) | 5,319.67 mi (8,561.19 km) |
