| Middletown to Jacksonville (North Carolina) | 506.03 mi (814.38 km) |
| Middletown to Jacksonville (Texas) | 801.88 mi (1,290.51 km) |
| Middletown to Jacksonville Beach (Florida) | 659.00 mi (1,060.56 km) |
| Middletown to James Island (South Carolina) | 528.69 mi (850.84 km) |
| Middletown to Jamestown (New York) | 322.55 mi (519.10 km) |
| Middletown to Jamestown (North Dakota) | 882.27 mi (1,419.88 km) |
| Middletown to Janesville (Wisconsin) | 326.87 mi (526.04 km) |
| Middletown to Jasmine Estates (Florida) | 780.45 mi (1,256.01 km) |
| Middletown to Jasper (Alabama) | 422.36 mi (679.72 km) |
| Middletown to Jasper (Indiana) | 158.16 mi (254.53 km) |
| Middletown to Jefferson (Georgia) | 373.15 mi (600.53 km) |
| Middletown to Jefferson (Louisiana) | 736.29 mi (1,184.95 km) |
| Middletown to Jefferson City (Missouri) | 423.97 mi (682.31 km) |
| Middletown to Jefferson Hills (Pennsylvania) | 241.20 mi (388.17 km) |
| Middletown to Jefferson Valley-Yorktown (New York) | 569.39 mi (916.34 km) |
