| Cobh to Decatur (Georgia) | 3,858.82 mi (6,210.17 km) |
| Cobh to Decatur (Illinois) | 3,763.58 mi (6,056.90 km) |
| Cobh to Deer Park (New York) | 3,087.31 mi (4,968.54 km) |
| Cobh to Deer Park (Texas) | 4,505.58 mi (7,251.02 km) |
| Cobh to Deerfield (Illinois) | 3,616.72 mi (5,820.55 km) |
| Cobh to Deerfield Beach (Florida) | 4,048.15 mi (6,514.87 km) |
| Cobh to Defiance (Ohio) | 3,517.27 mi (5,660.50 km) |
| Cobh to DeForest (Wisconsin) | 3,627.81 mi (5,838.39 km) |
| Cobh to DeKalb (Illinois) | 3,662.32 mi (5,893.93 km) |
| Cobh to Del Aire (California) | 5,165.37 mi (8,312.86 km) |
| Cobh to Del City (Oklahoma) | 4,310.03 mi (6,936.32 km) |
| Cobh to Del Rio (Texas) | 4,754.41 mi (7,651.49 km) |
| Cobh to DeLand (Florida) | 3,962.37 mi (6,376.82 km) |
| Cobh to Delano (California) | 5,093.73 mi (8,197.56 km) |
| Cobh to Delaware (Ohio) | 3,509.02 mi (5,647.22 km) |
