| Portchester to Iselin (New Jersey) | 3,453.75 mi (5,558.27 km) |
| Portchester to Isla Vista (California) | 5,470.82 mi (8,804.43 km) |
| Portchester to Issaquah (Washington) | 4,790.09 mi (7,708.90 km) |
| Portchester to Ithaca (New York) | 3,464.45 mi (5,575.50 km) |
| Portchester to Ives Estates (Florida) | 4,383.06 mi (7,053.86 km) |
| Portchester to Jackson (Michigan) | 3,788.60 mi (6,097.16 km) |
| Portchester to Jackson (Mississippi) | 4,489.52 mi (7,225.18 km) |
| Portchester to Jackson (Missouri) | 4,220.19 mi (6,791.75 km) |
| Portchester to Jackson (Tennessee) | 4,270.52 mi (6,872.73 km) |
| Portchester to Jackson (Wyoming) | 4,678.09 mi (7,528.66 km) |
| Portchester to Jacksonville (Alabama) | 4,234.09 mi (6,814.12 km) |
| Portchester to Jacksonville (Arkansas) | 4,439.89 mi (7,145.32 km) |
| Portchester to Jacksonville (Florida) | 4,231.78 mi (6,810.39 km) |
| Portchester to Jacksonville (Illinois) | 4,131.24 mi (6,648.58 km) |
| Portchester to Jacksonville (North Carolina) | 3,841.98 mi (6,183.07 km) |
