| Boulder to Droylsden | 4,530.26 mi (7,290.74 km) |
| Boulder to Dudley | 4,571.43 mi (7,357.00 km) |
| Boulder to Dukinfield | 4,533.15 mi (7,295.40 km) |
| Boulder to Dumbarton | 4,355.71 mi (7,009.83 km) |
| Boulder to Dumfries | 4,420.40 mi (7,113.95 km) |
| Boulder to Dunbar | 4,420.11 mi (7,113.48 km) |
| Boulder to Dunblane | 4,366.49 mi (7,027.19 km) |
| Boulder to Dundee | 4,388.05 mi (7,061.89 km) |
| Boulder to Dunfermline | 4,387.77 mi (7,061.43 km) |
| Boulder to Dunstable | 4,650.41 mi (7,484.11 km) |
| Boulder to Durham | 4,498.49 mi (7,239.62 km) |
| Boulder to Ealing | 4,673.26 mi (7,520.89 km) |
| Boulder to Earlestown | 4,514.95 mi (7,266.11 km) |
| Boulder to Earley | 4,654.86 mi (7,491.28 km) |
| Boulder to East Barnet | 4,672.72 mi (7,520.02 km) |
