| Hennef to Port Chester (New York) | 3,752.55 mi (6,039.14 km) |
| Hennef to Port Hueneme (California) | 5,726.41 mi (9,215.76 km) |
| Hennef to Port Huron (Michigan) | 4,004.93 mi (6,445.31 km) |
| Hennef to Port Lavaca (Texas) | 5,268.50 mi (8,478.83 km) |
| Hennef to Port Neches (Texas) | 5,093.06 mi (8,196.48 km) |
| Hennef to Port Orange (Florida) | 4,618.15 mi (7,432.20 km) |
| Hennef to Port Orchard (Washington) | 5,023.80 mi (8,085.03 km) |
| Hennef to Port Royal (South Carolina) | 4,443.84 mi (7,151.67 km) |
| Hennef to Port Salerno (Florida) | 4,682.56 mi (7,535.85 km) |
| Hennef to Port St. John (Florida) | 4,641.49 mi (7,469.76 km) |
| Hennef to Port St. Lucie (Florida) | 4,684.16 mi (7,538.42 km) |
| Hennef to Port Washington (New York) | 3,760.78 mi (6,052.38 km) |
| Hennef to Port Washington (Wisconsin) | 4,187.61 mi (6,739.31 km) |
| Hennef to Port Wentworth (Georgia) | 4,472.06 mi (7,197.08 km) |
| Hennef to Portage (Indiana) | 4,247.98 mi (6,836.46 km) |
