| Riihimaki to Port Chester (New York) | 4,061.61 mi (6,536.54 km) |
| Riihimaki to Port Hueneme (California) | 5,571.38 mi (8,966.28 km) |
| Riihimaki to Port Huron (Michigan) | 4,195.91 mi (6,752.67 km) |
| Riihimaki to Port Lavaca (Texas) | 5,444.39 mi (8,761.90 km) |
| Riihimaki to Port Neches (Texas) | 5,289.81 mi (8,513.12 km) |
| Riihimaki to Port Orange (Florida) | 4,978.07 mi (8,011.43 km) |
| Riihimaki to Port Orchard (Washington) | 4,738.89 mi (7,626.51 km) |
| Riihimaki to Port Royal (South Carolina) | 4,774.47 mi (7,683.76 km) |
| Riihimaki to Port Salerno (Florida) | 5,071.19 mi (8,161.29 km) |
| Riihimaki to Port St. John (Florida) | 5,010.00 mi (8,062.82 km) |
| Riihimaki to Port St. Lucie (Florida) | 5,069.19 mi (8,158.07 km) |
| Riihimaki to Port Washington (New York) | 4,072.03 mi (6,553.30 km) |
| Riihimaki to Port Washington (Wisconsin) | 4,315.53 mi (6,945.18 km) |
| Riihimaki to Port Wentworth (Georgia) | 4,798.64 mi (7,722.67 km) |
| Riihimaki to Portage (Indiana) | 4,404.42 mi (7,088.22 km) |
