| Tigard to Isabela (Puerto Rico) | 3,668.51 mi (5,903.90 km) |
| Tigard to Iselin (New Jersey) | 2,434.66 mi (3,918.21 km) |
| Tigard to Isla Vista (California) | 776.24 mi (1,249.24 km) |
| Tigard to Issaquah (Washington) | 150.63 mi (242.42 km) |
| Tigard to Ithaca (New York) | 2,280.08 mi (3,669.43 km) |
| Tigard to Ives Estates (Florida) | 2,699.76 mi (4,344.84 km) |
| Tigard to Jackson (Michigan) | 1,907.19 mi (3,069.32 km) |
| Tigard to Jackson (Mississippi) | 1,953.89 mi (3,144.48 km) |
| Tigard to Jackson (Missouri) | 1,790.22 mi (2,881.08 km) |
| Tigard to Jackson (Tennessee) | 1,889.15 mi (3,040.29 km) |
| Tigard to Jackson (Wyoming) | 606.91 mi (976.73 km) |
| Tigard to Jacksonville (Alabama) | 2,105.16 mi (3,387.94 km) |
| Tigard to Jacksonville (Arkansas) | 1,761.18 mi (2,834.35 km) |
| Tigard to Jacksonville (Florida) | 2,438.86 mi (3,924.96 km) |
| Tigard to Jacksonville (Illinois) | 1,689.90 mi (2,719.63 km) |
