| Cockermouth to Dixon (Illinois) | 3,801.16 mi (6,117.37 km) |
| Cockermouth to Dobbs Ferry (New York) | 3,253.07 mi (5,235.30 km) |
| Cockermouth to Doctor Phillips (Florida) | 4,176.63 mi (6,721.64 km) |
| Cockermouth to Dodge City (Kansas) | 4,385.93 mi (7,058.47 km) |
| Cockermouth to Dolton (Illinois) | 3,743.09 mi (6,023.92 km) |
| Cockermouth to Donna (Texas) | 4,941.49 mi (7,952.56 km) |
| Cockermouth to Dorado (Puerto Rico) | 4,107.96 mi (6,611.12 km) |
| Cockermouth to Doral (Florida) | 4,270.59 mi (6,872.86 km) |
| Cockermouth to Doraville (Georgia) | 4,002.77 mi (6,441.84 km) |
| Cockermouth to Dothan (Alabama) | 4,184.64 mi (6,734.53 km) |
| Cockermouth to Douglas (Arizona) | 5,066.36 mi (8,153.53 km) |
| Cockermouth to Douglas (Georgia) | 4,070.96 mi (6,551.58 km) |
| Cockermouth to Douglasville (Georgia) | 4,028.18 mi (6,482.73 km) |
| Cockermouth to Dover (Delaware) | 3,403.91 mi (5,478.06 km) |
| Cockermouth to Dover (New Hampshire) | 3,039.01 mi (4,890.81 km) |
