| Didcot to Jacksonville (Texas) | 4,683.98 mi (7,538.13 km) |
| Didcot to Jacksonville Beach (Florida) | 4,205.69 mi (6,768.40 km) |
| Didcot to James Island (South Carolina) | 4,024.72 mi (6,477.16 km) |
| Didcot to Jamestown (New York) | 3,564.57 mi (5,736.63 km) |
| Didcot to Jamestown (North Dakota) | 4,066.08 mi (6,543.72 km) |
| Didcot to Janesville (Wisconsin) | 3,917.17 mi (6,304.08 km) |
| Didcot to Jasmine Estates (Florida) | 4,358.19 mi (7,013.83 km) |
| Didcot to Jasper (Alabama) | 4,271.14 mi (6,873.74 km) |
| Didcot to Jasper (Indiana) | 4,038.41 mi (6,499.20 km) |
| Didcot to Jefferson (Georgia) | 4,108.19 mi (6,611.50 km) |
| Didcot to Jefferson (Louisiana) | 4,582.34 mi (7,374.57 km) |
| Didcot to Jefferson City (Missouri) | 4,233.26 mi (6,812.78 km) |
| Didcot to Jefferson Hills (Pennsylvania) | 3,672.23 mi (5,909.88 km) |
| Didcot to Jefferson Valley-Yorktown (New York) | 3,379.22 mi (5,438.34 km) |
| Didcot to Jeffersontown (Kentucky) | 3,993.20 mi (6,426.43 km) |
