| Barrhead to Port Chester (New York) | 3,188.76 mi (5,131.82 km) |
| Barrhead to Port Hueneme (California) | 5,139.19 mi (8,270.73 km) |
| Barrhead to Port Huron (Michigan) | 3,422.31 mi (5,507.68 km) |
| Barrhead to Port Lavaca (Texas) | 4,688.65 mi (7,545.65 km) |
| Barrhead to Port Neches (Texas) | 4,515.50 mi (7,266.99 km) |
| Barrhead to Port Orange (Florida) | 4,072.29 mi (6,553.71 km) |
| Barrhead to Port Orchard (Washington) | 4,458.11 mi (7,174.63 km) |
| Barrhead to Port Royal (South Carolina) | 3,889.32 mi (6,259.26 km) |
| Barrhead to Port Salerno (Florida) | 4,145.34 mi (6,671.27 km) |
| Barrhead to Port St. John (Florida) | 4,098.16 mi (6,595.35 km) |
| Barrhead to Port St. Lucie (Florida) | 4,145.87 mi (6,672.13 km) |
| Barrhead to Port Washington (New York) | 3,197.53 mi (5,145.93 km) |
| Barrhead to Port Washington (Wisconsin) | 3,599.24 mi (5,792.42 km) |
| Barrhead to Port Wentworth (Georgia) | 3,916.71 mi (6,303.33 km) |
| Barrhead to Portage (Indiana) | 3,662.36 mi (5,894.01 km) |
