| Ritterhude to Port Chester (New York) | 3,745.19 mi (6,027.31 km) |
| Ritterhude to Port Hueneme (California) | 5,644.13 mi (9,083.34 km) |
| Ritterhude to Port Huron (Michigan) | 3,975.87 mi (6,398.54 km) |
| Ritterhude to Port Lavaca (Texas) | 5,243.04 mi (8,437.85 km) |
| Ritterhude to Port Neches (Texas) | 5,070.74 mi (8,160.56 km) |
| Ritterhude to Port Orange (Florida) | 4,625.76 mi (7,444.44 km) |
| Ritterhude to Port Orchard (Washington) | 4,917.73 mi (7,914.33 km) |
| Ritterhude to Port Royal (South Carolina) | 4,444.65 mi (7,152.97 km) |
| Ritterhude to Port Salerno (Florida) | 4,696.36 mi (7,558.06 km) |
| Ritterhude to Port St. John (Florida) | 4,650.97 mi (7,485.01 km) |
| Ritterhude to Port St. Lucie (Florida) | 4,697.22 mi (7,559.45 km) |
| Ritterhude to Port Washington (New York) | 3,753.92 mi (6,041.34 km) |
| Ritterhude to Port Washington (Wisconsin) | 4,147.73 mi (6,675.12 km) |
| Ritterhude to Port Wentworth (Georgia) | 4,472.19 mi (7,197.29 km) |
| Ritterhude to Portage (Indiana) | 4,213.76 mi (6,781.39 km) |
