| Holtsville to Port Chester (New York) | 35.17 mi (56.59 km) |
| Holtsville to Port Hueneme (California) | 2,542.21 mi (4,091.29 km) |
| Holtsville to Port Huron (Michigan) | 505.53 mi (813.57 km) |
| Holtsville to Port Lavaca (Texas) | 1,574.46 mi (2,533.86 km) |
| Holtsville to Port Neches (Texas) | 1,389.53 mi (2,236.24 km) |
| Holtsville to Port Orange (Florida) | 925.04 mi (1,488.71 km) |
| Holtsville to Port Orchard (Washington) | 2,459.16 mi (3,957.63 km) |
| Holtsville to Port Royal (South Carolina) | 721.78 mi (1,161.59 km) |
| Holtsville to Port Salerno (Florida) | 1,028.22 mi (1,654.75 km) |
| Holtsville to Port St. John (Florida) | 958.90 mi (1,543.19 km) |
| Holtsville to Port St. Lucie (Florida) | 1,024.21 mi (1,648.30 km) |
| Holtsville to Port Washington (New York) | 33.05 mi (53.19 km) |
| Holtsville to Port Washington (Wisconsin) | 780.17 mi (1,255.57 km) |
| Holtsville to Port Wentworth (Georgia) | 747.30 mi (1,202.66 km) |
| Holtsville to Portage (Indiana) | 735.96 mi (1,184.41 km) |
