| Placentia to Isabela (Puerto Rico) | 3,289.81 mi (5,294.44 km) |
| Placentia to Iselin (New Jersey) | 2,414.37 mi (3,885.55 km) |
| Placentia to Isla Vista (California) | 120.46 mi (193.86 km) |
| Placentia to Issaquah (Washington) | 968.84 mi (1,559.20 km) |
| Placentia to Ithaca (New York) | 2,298.70 mi (3,699.40 km) |
| Placentia to Ives Estates (Florida) | 2,307.67 mi (3,713.83 km) |
| Placentia to Jackson (Michigan) | 1,895.34 mi (3,050.25 km) |
| Placentia to Jackson (Mississippi) | 1,598.87 mi (2,573.13 km) |
| Placentia to Jackson (Missouri) | 1,596.12 mi (2,568.71 km) |
| Placentia to Jackson (Tennessee) | 1,645.71 mi (2,648.51 km) |
| Placentia to Jackson (Wyoming) | 764.18 mi (1,229.83 km) |
| Placentia to Jacksonville (Alabama) | 1,834.50 mi (2,952.34 km) |
| Placentia to Jacksonville (Arkansas) | 1,464.52 mi (2,356.91 km) |
| Placentia to Jacksonville (Florida) | 2,120.76 mi (3,413.04 km) |
| Placentia to Jacksonville (Illinois) | 1,573.77 mi (2,532.74 km) |
