| Grinon to Port Chester (New York) | 3,558.59 mi (5,727.00 km) |
| Grinon to Port Hueneme (California) | 5,853.64 mi (9,420.52 km) |
| Grinon to Port Huron (Michigan) | 3,909.50 mi (6,291.73 km) |
| Grinon to Port Lavaca (Texas) | 5,108.22 mi (8,220.88 km) |
| Grinon to Port Neches (Texas) | 4,922.63 mi (7,922.21 km) |
| Grinon to Port Orange (Florida) | 4,315.77 mi (6,945.56 km) |
| Grinon to Port Orchard (Washington) | 5,309.30 mi (8,544.49 km) |
| Grinon to Port Royal (South Carolina) | 4,180.85 mi (6,728.42 km) |
| Grinon to Port Salerno (Florida) | 4,348.06 mi (6,997.53 km) |
| Grinon to Port St. John (Florida) | 4,329.27 mi (6,967.28 km) |
| Grinon to Port St. Lucie (Florida) | 4,353.15 mi (7,005.72 km) |
| Grinon to Port Washington (New York) | 3,563.96 mi (5,735.63 km) |
| Grinon to Port Washington (Wisconsin) | 4,140.20 mi (6,663.01 km) |
| Grinon to Port Wentworth (Georgia) | 4,211.37 mi (6,777.54 km) |
| Grinon to Portage (Indiana) | 4,168.85 mi (6,709.11 km) |
