| Willoughby to Port Charlotte (Florida) | 1,013.29 mi (1,630.73 km) |
| Willoughby to Port Chester (New York) | 403.92 mi (650.05 km) |
| Willoughby to Port Hueneme (California) | 2,106.33 mi (3,389.81 km) |
| Willoughby to Port Huron (Michigan) | 106.28 mi (171.03 km) |
| Willoughby to Port Lavaca (Texas) | 1,241.14 mi (1,997.43 km) |
| Willoughby to Port Neches (Texas) | 1,067.01 mi (1,717.19 km) |
| Willoughby to Port Orange (Florida) | 866.53 mi (1,394.55 km) |
| Willoughby to Port Orchard (Washington) | 2,045.15 mi (3,291.34 km) |
| Willoughby to Port Royal (South Carolina) | 643.06 mi (1,034.91 km) |
| Willoughby to Port Salerno (Florida) | 1,004.22 mi (1,616.13 km) |
| Willoughby to Port St. John (Florida) | 910.59 mi (1,465.46 km) |
| Willoughby to Port St. Lucie (Florida) | 994.29 mi (1,600.16 km) |
| Willoughby to Port Washington (New York) | 405.56 mi (652.68 km) |
| Willoughby to Port Washington (Wisconsin) | 350.95 mi (564.79 km) |
| Willoughby to Port Wentworth (Georgia) | 653.09 mi (1,051.04 km) |
