| Cobh to Desert Hot Springs (California) | 5,099.81 mi (8,207.35 km) |
| Cobh to DeSoto (Texas) | 4,429.32 mi (7,128.30 km) |
| Cobh to Destin (Florida) | 4,113.12 mi (6,619.42 km) |
| Cobh to Destrehan (Louisiana) | 4,296.73 mi (6,914.92 km) |
| Cobh to Detroit (Michigan) | 3,418.84 mi (5,502.09 km) |
| Cobh to Diamond Bar (California) | 5,141.71 mi (8,274.78 km) |
| Cobh to Diamond Springs (California) | 4,984.04 mi (8,021.04 km) |
| Cobh to Dickinson (North Dakota) | 3,955.29 mi (6,365.42 km) |
| Cobh to Dickinson (Texas) | 4,515.20 mi (7,266.52 km) |
| Cobh to Dickson (Tennessee) | 3,876.70 mi (6,238.95 km) |
| Cobh to Difficult Run (Virginia) | 3,334.56 mi (5,366.45 km) |
| Cobh to Dinuba (California) | 5,055.26 mi (8,135.66 km) |
| Cobh to Discovery Bay (California) | 5,052.19 mi (8,130.72 km) |
| Cobh to Dix Hills (New York) | 3,086.25 mi (4,966.83 km) |
| Cobh to Dixon (California) | 5,029.39 mi (8,094.02 km) |
