| Cobh to Dixon (Illinois) | 3,694.87 mi (5,946.32 km) |
| Cobh to Dobbs Ferry (New York) | 3,099.66 mi (4,988.41 km) |
| Cobh to Doctor Phillips (Florida) | 3,999.40 mi (6,436.41 km) |
| Cobh to Dodge City (Kansas) | 4,295.30 mi (6,912.61 km) |
| Cobh to Dolton (Illinois) | 3,630.58 mi (5,842.85 km) |
| Cobh to Donna (Texas) | 4,807.60 mi (7,737.08 km) |
| Cobh to Dorado (Puerto Rico) | 3,866.44 mi (6,222.44 km) |
| Cobh to Doral (Florida) | 4,082.51 mi (6,570.16 km) |
| Cobh to Doraville (Georgia) | 3,851.28 mi (6,198.04 km) |
| Cobh to Dothan (Alabama) | 4,027.55 mi (6,481.72 km) |
| Cobh to Douglas (Arizona) | 4,985.52 mi (8,023.42 km) |
| Cobh to Douglas (Georgia) | 3,907.26 mi (6,288.13 km) |
| Cobh to Douglasville (Georgia) | 3,877.38 mi (6,240.05 km) |
| Cobh to Dover (Delaware) | 3,247.17 mi (5,225.81 km) |
| Cobh to Dover (New Hampshire) | 2,887.56 mi (4,647.08 km) |
