| Cobh to Dardenne Prairie (Missouri) | 3,885.81 mi (6,253.61 km) |
| Cobh to Darien (Illinois) | 3,640.55 mi (5,858.90 km) |
| Cobh to Davenport (Iowa) | 3,751.80 mi (6,037.94 km) |
| Cobh to Davidson (North Carolina) | 3,633.66 mi (5,847.80 km) |
| Cobh to Davie (Florida) | 4,066.29 mi (6,544.05 km) |
| Cobh to Davis (California) | 5,020.54 mi (8,079.78 km) |
| Cobh to Dayton (Nevada) | 4,911.49 mi (7,904.27 km) |
| Cobh to Dayton (Ohio) | 3,577.07 mi (5,756.73 km) |
| Cobh to Daytona Beach (Florida) | 3,945.64 mi (6,349.90 km) |
| Cobh to De Pere (Wisconsin) | 3,526.55 mi (5,675.43 km) |
| Cobh to De Witt (New York) | 3,107.84 mi (5,001.59 km) |
| Cobh to Dearborn (Michigan) | 3,426.30 mi (5,514.10 km) |
| Cobh to Dearborn Heights (Michigan) | 3,428.70 mi (5,517.96 km) |
| Cobh to DeBary (Florida) | 3,970.87 mi (6,390.49 km) |
| Cobh to Decatur (Alabama) | 3,932.04 mi (6,328.00 km) |
