| Round Rock to Droylsden | 4,764.58 mi (7,667.85 km) |
| Round Rock to Dudley | 4,794.04 mi (7,715.26 km) |
| Round Rock to Dukinfield | 4,767.67 mi (7,672.83 km) |
| Round Rock to Dumbarton | 4,611.76 mi (7,421.90 km) |
| Round Rock to Dumfries | 4,668.83 mi (7,513.75 km) |
| Round Rock to Dunbar | 4,684.25 mi (7,538.56 km) |
| Round Rock to Dunblane | 4,627.65 mi (7,447.48 km) |
| Round Rock to Dundee | 4,656.27 mi (7,493.54 km) |
| Round Rock to Dunfermline | 4,649.40 mi (7,482.49 km) |
| Round Rock to Dunstable | 4,872.24 mi (7,841.12 km) |
| Round Rock to Durham | 4,751.07 mi (7,646.10 km) |
| Round Rock to Ealing | 4,891.66 mi (7,872.36 km) |
| Round Rock to Earlestown | 4,746.86 mi (7,639.34 km) |
| Round Rock to Earley | 4,869.40 mi (7,836.54 km) |
| Round Rock to East Barnet | 4,893.23 mi (7,874.90 km) |
