| Cobh to Jacksonville (Texas) | 4,396.87 mi (7,076.07 km) |
| Cobh to Jacksonville Beach (Florida) | 3,905.80 mi (6,285.78 km) |
| Cobh to James Island (South Carolina) | 3,725.58 mi (5,995.73 km) |
| Cobh to Jamestown (New York) | 3,275.01 mi (5,270.61 km) |
| Cobh to Jamestown (North Dakota) | 3,810.93 mi (6,133.10 km) |
| Cobh to Janesville (Wisconsin) | 3,639.12 mi (5,856.59 km) |
| Cobh to Jasmine Estates (Florida) | 4,057.88 mi (6,530.52 km) |
| Cobh to Jasper (Alabama) | 3,978.19 mi (6,402.27 km) |
| Cobh to Jasper (Indiana) | 3,750.82 mi (6,036.35 km) |
| Cobh to Jefferson (Georgia) | 3,812.53 mi (6,135.68 km) |
| Cobh to Jefferson (Louisiana) | 4,288.03 mi (6,900.91 km) |
| Cobh to Jefferson City (Missouri) | 3,951.83 mi (6,359.86 km) |
| Cobh to Jefferson Hills (Pennsylvania) | 3,380.63 mi (5,440.60 km) |
| Cobh to Jefferson Valley-Yorktown (New York) | 3,084.10 mi (4,963.38 km) |
| Cobh to Jeffersontown (Kentucky) | 3,703.95 mi (5,960.94 km) |
