| Oristano to Port Chester (New York) | 4,150.67 mi (6,679.85 km) |
| Oristano to Port Hueneme (California) | 6,332.26 mi (10,190.78 km) |
| Oristano to Port Huron (Michigan) | 4,470.67 mi (7,194.84 km) |
| Oristano to Port Lavaca (Texas) | 5,700.31 mi (9,173.77 km) |
| Oristano to Port Neches (Texas) | 5,516.84 mi (8,878.50 km) |
| Oristano to Port Orange (Florida) | 4,942.71 mi (7,954.52 km) |
| Oristano to Port Orchard (Washington) | 5,696.34 mi (9,167.37 km) |
| Oristano to Port Royal (South Carolina) | 4,797.33 mi (7,720.56 km) |
| Oristano to Port Salerno (Florida) | 4,982.17 mi (8,018.03 km) |
| Oristano to Port St. John (Florida) | 4,958.51 mi (7,979.95 km) |
| Oristano to Port St. Lucie (Florida) | 4,986.56 mi (8,025.10 km) |
| Oristano to Port Washington (New York) | 4,156.98 mi (6,690.02 km) |
| Oristano to Port Washington (Wisconsin) | 4,684.82 mi (7,539.50 km) |
| Oristano to Port Wentworth (Georgia) | 4,827.43 mi (7,769.00 km) |
| Oristano to Portage (Indiana) | 4,726.05 mi (7,605.83 km) |
