| Watford to Jacksonville (Texas) | 4,715.66 mi (7,589.12 km) |
| Watford to Jacksonville Beach (Florida) | 4,240.18 mi (6,823.91 km) |
| Watford to James Island (South Carolina) | 4,059.01 mi (6,532.34 km) |
| Watford to Jamestown (New York) | 3,596.81 mi (5,788.50 km) |
| Watford to Jamestown (North Dakota) | 4,092.61 mi (6,586.42 km) |
| Watford to Janesville (Wisconsin) | 3,947.34 mi (6,352.62 km) |
| Watford to Jasmine Estates (Florida) | 4,392.81 mi (7,069.55 km) |
| Watford to Jasper (Alabama) | 4,303.99 mi (6,926.60 km) |
| Watford to Jasper (Indiana) | 4,070.23 mi (6,550.41 km) |
| Watford to Jefferson (Georgia) | 4,141.62 mi (6,665.30 km) |
| Watford to Jefferson (Louisiana) | 4,615.46 mi (7,427.87 km) |
| Watford to Jefferson City (Missouri) | 4,263.96 mi (6,862.19 km) |
| Watford to Jefferson Hills (Pennsylvania) | 3,704.84 mi (5,962.36 km) |
| Watford to Jefferson Valley-Yorktown (New York) | 3,412.58 mi (5,492.02 km) |
| Watford to Jeffersontown (Kentucky) | 4,025.33 mi (6,478.15 km) |
