| Duncan to Droylsden | 4,561.37 mi (7,340.81 km) |
| Duncan to Dudley | 4,593.94 mi (7,393.24 km) |
| Duncan to Dukinfield | 4,564.42 mi (7,345.72 km) |
| Duncan to Dumbarton | 4,402.48 mi (7,085.10 km) |
| Duncan to Dumfries | 4,461.67 mi (7,180.37 km) |
| Duncan to Dunbar | 4,473.25 mi (7,199.01 km) |
| Duncan to Dunblane | 4,417.17 mi (7,108.75 km) |
| Duncan to Dundee | 4,444.17 mi (7,152.20 km) |
| Duncan to Dunfermline | 4,438.89 mi (7,143.70 km) |
| Duncan to Dunstable | 4,672.66 mi (7,519.92 km) |
| Duncan to Durham | 4,543.20 mi (7,311.57 km) |
| Duncan to Ealing | 4,693.04 mi (7,552.73 km) |
| Duncan to Earlestown | 4,544.19 mi (7,313.17 km) |
| Duncan to Earley | 4,671.70 mi (7,518.37 km) |
| Duncan to East Barnet | 4,694.08 mi (7,554.39 km) |
