| Waltham to Port Charlotte (Florida) | 1,227.69 mi (1,975.78 km) |
| Waltham to Port Chester (New York) | 157.48 mi (253.43 km) |
| Waltham to Port Hueneme (California) | 2,626.86 mi (4,227.53 km) |
| Waltham to Port Huron (Michigan) | 569.72 mi (916.87 km) |
| Waltham to Port Lavaca (Texas) | 1,705.23 mi (2,744.30 km) |
| Waltham to Port Neches (Texas) | 1,521.45 mi (2,448.54 km) |
| Waltham to Port Orange (Florida) | 1,067.01 mi (1,717.18 km) |
| Waltham to Port Orchard (Washington) | 2,492.50 mi (4,011.30 km) |
| Waltham to Port Royal (South Carolina) | 865.04 mi (1,392.14 km) |
| Waltham to Port Salerno (Florida) | 1,167.54 mi (1,878.98 km) |
| Waltham to Port St. John (Florida) | 1,100.20 mi (1,770.60 km) |
| Waltham to Port St. Lucie (Florida) | 1,163.98 mi (1,873.25 km) |
| Waltham to Port Washington (New York) | 165.71 mi (266.68 km) |
| Waltham to Port Washington (Wisconsin) | 843.95 mi (1,358.21 km) |
| Waltham to Port Wentworth (Georgia) | 890.60 mi (1,433.28 km) |
