| Barrhead to Pell City (Alabama) | 4,037.73 mi (6,498.10 km) |
| Barrhead to Pella (Iowa) | 3,875.70 mi (6,237.33 km) |
| Barrhead to Pembroke Pines (Florida) | 4,212.13 mi (6,778.77 km) |
| Barrhead to Pendleton (Oregon) | 4,461.98 mi (7,180.86 km) |
| Barrhead to Pensacola (Florida) | 4,237.48 mi (6,819.56 km) |
| Barrhead to Peoria (Arizona) | 4,944.54 mi (7,957.47 km) |
| Barrhead to Peoria (Illinois) | 3,791.57 mi (6,101.94 km) |
| Barrhead to Perris (California) | 5,100.25 mi (8,208.06 km) |
| Barrhead to Perry (Georgia) | 3,998.74 mi (6,435.34 km) |
| Barrhead to Perry Hall (Maryland) | 3,372.14 mi (5,426.94 km) |
| Barrhead to Perrysburg (Ohio) | 3,536.01 mi (5,690.66 km) |
| Barrhead to Perth Amboy (New Jersey) | 3,234.77 mi (5,205.85 km) |
| Barrhead to Peru (Indiana) | 3,663.26 mi (5,895.44 km) |
| Barrhead to Petal (Mississippi) | 4,266.19 mi (6,865.77 km) |
| Barrhead to Petaluma (California) | 4,999.33 mi (8,045.65 km) |
