| Gronau to Jacksonville (Texas) | 4,980.61 mi (8,015.52 km) |
| Gronau to Jacksonville Beach (Florida) | 4,533.80 mi (7,296.44 km) |
| Gronau to James Island (South Carolina) | 4,350.61 mi (7,001.64 km) |
| Gronau to Jamestown (New York) | 3,868.63 mi (6,225.96 km) |
| Gronau to Jamestown (North Dakota) | 4,310.19 mi (6,936.58 km) |
| Gronau to Janesville (Wisconsin) | 4,198.96 mi (6,757.57 km) |
| Gronau to Jasmine Estates (Florida) | 4,687.69 mi (7,544.10 km) |
| Gronau to Jasper (Alabama) | 4,580.88 mi (7,372.21 km) |
| Gronau to Jasper (Indiana) | 4,337.42 mi (6,980.41 km) |
| Gronau to Jefferson (Georgia) | 4,424.51 mi (7,120.57 km) |
| Gronau to Jefferson (Louisiana) | 4,894.72 mi (7,877.30 km) |
| Gronau to Jefferson City (Missouri) | 4,520.12 mi (7,274.44 km) |
| Gronau to Jefferson Hills (Pennsylvania) | 3,980.18 mi (6,405.49 km) |
| Gronau to Jefferson Valley-Yorktown (New York) | 3,695.53 mi (5,947.38 km) |
| Gronau to Jeffersontown (Kentucky) | 4,295.60 mi (6,913.11 km) |
