| Middletown to Isabela (Puerto Rico) | 1,782.92 mi (2,869.33 km) |
| Middletown to Iselin (New Jersey) | 536.36 mi (863.18 km) |
| Middletown to Isla Vista (California) | 1,977.91 mi (3,183.14 km) |
| Middletown to Issaquah (Washington) | 1,946.50 mi (3,132.58 km) |
| Middletown to Ithaca (New York) | 457.48 mi (736.25 km) |
| Middletown to Ives Estates (Florida) | 966.28 mi (1,555.08 km) |
| Middletown to Jackson (Michigan) | 189.31 mi (304.67 km) |
| Middletown to Jackson (Mississippi) | 594.38 mi (956.56 km) |
| Middletown to Jackson (Missouri) | 321.45 mi (517.32 km) |
| Middletown to Jackson (Tennessee) | 361.34 mi (581.52 km) |
| Middletown to Jackson (Wyoming) | 1,387.93 mi (2,233.65 km) |
| Middletown to Jacksonville (Alabama) | 400.89 mi (645.18 km) |
| Middletown to Jacksonville (Arkansas) | 533.18 mi (858.07 km) |
| Middletown to Jacksonville (Florida) | 651.65 mi (1,048.73 km) |
| Middletown to Jacksonville (Illinois) | 312.54 mi (502.98 km) |
