| Harmanli to Port Chester (New York) | 4,823.33 mi (7,762.41 km) |
| Harmanli to Port Hueneme (California) | 6,733.00 mi (10,835.72 km) |
| Harmanli to Port Huron (Michigan) | 5,076.90 mi (8,170.48 km) |
| Harmanli to Port Lavaca (Texas) | 6,341.40 mi (10,205.50 km) |
| Harmanli to Port Neches (Texas) | 6,166.17 mi (9,923.49 km) |
| Harmanli to Port Orange (Florida) | 5,678.36 mi (9,138.44 km) |
| Harmanli to Port Orchard (Washington) | 5,964.26 mi (9,598.55 km) |
| Harmanli to Port Royal (South Carolina) | 5,509.67 mi (8,866.95 km) |
| Harmanli to Port Salerno (Florida) | 5,736.44 mi (9,231.90 km) |
| Harmanli to Port St. John (Florida) | 5,699.93 mi (9,173.15 km) |
| Harmanli to Port St. Lucie (Florida) | 5,738.83 mi (9,235.76 km) |
| Harmanli to Port Washington (New York) | 4,831.37 mi (7,775.34 km) |
| Harmanli to Port Washington (Wisconsin) | 5,254.96 mi (8,457.04 km) |
| Harmanli to Port Wentworth (Georgia) | 5,538.29 mi (8,913.02 km) |
| Harmanli to Portage (Indiana) | 5,318.25 mi (8,558.90 km) |
