| Cockermouth to Dumas (Texas) | 4,555.68 mi (7,331.65 km) |
| Cockermouth to Dumont (New Jersey) | 3,260.94 mi (5,247.98 km) |
| Cockermouth to Duncan (Oklahoma) | 4,482.19 mi (7,213.40 km) |
| Cockermouth to Duncanville (Texas) | 4,546.48 mi (7,316.86 km) |
| Cockermouth to Dundalk (Maryland) | 3,436.56 mi (5,530.61 km) |
| Cockermouth to Dunedin (Florida) | 4,249.56 mi (6,839.00 km) |
| Cockermouth to Dunkirk (New York) | 3,394.71 mi (5,463.25 km) |
| Cockermouth to Dunmore (Pennsylvania) | 3,301.70 mi (5,313.57 km) |
| Cockermouth to Dunwoody (Georgia) | 4,002.60 mi (6,441.56 km) |
| Cockermouth to Durango (Colorado) | 4,681.42 mi (7,534.01 km) |
| Cockermouth to Durant (Oklahoma) | 4,455.48 mi (7,170.40 km) |
| Cockermouth to Durham (North Carolina) | 3,690.10 mi (5,938.63 km) |
| Cockermouth to Dyer (Indiana) | 3,746.19 mi (6,028.92 km) |
| Cockermouth to Dyersburg (Tennessee) | 4,088.15 mi (6,579.24 km) |
| Cockermouth to Eagan (Minnesota) | 3,786.50 mi (6,093.78 km) |
