| Willoughby to Jacksonville (North Carolina) | 525.13 mi (845.11 km) |
| Willoughby to Jacksonville (Texas) | 1,014.91 mi (1,633.34 km) |
| Willoughby to Jacksonville Beach (Florida) | 785.43 mi (1,264.03 km) |
| Willoughby to James Island (South Carolina) | 620.92 mi (999.28 km) |
| Willoughby to Jamestown (New York) | 116.01 mi (186.69 km) |
| Willoughby to Jamestown (North Dakota) | 926.61 mi (1,491.23 km) |
| Willoughby to Janesville (Wisconsin) | 395.90 mi (637.14 km) |
| Willoughby to Jasmine Estates (Florida) | 925.42 mi (1,489.31 km) |
| Willoughby to Jasper (Alabama) | 626.25 mi (1,007.85 km) |
| Willoughby to Jasper (Indiana) | 368.89 mi (593.68 km) |
| Willoughby to Jefferson (Georgia) | 532.35 mi (856.73 km) |
| Willoughby to Jefferson (Louisiana) | 943.28 mi (1,518.06 km) |
| Willoughby to Jefferson City (Missouri) | 606.94 mi (976.78 km) |
| Willoughby to Jefferson Hills (Pennsylvania) | 121.11 mi (194.91 km) |
| Willoughby to Jefferson Valley-Yorktown (New York) | 394.31 mi (634.58 km) |
