| Romanshorn to Dudley | 611.04 mi (983.37 km) |
| Romanshorn to Dukinfield | 646.22 mi (1,039.99 km) |
| Romanshorn to Dumbarton | 828.00 mi (1,332.54 km) |
| Romanshorn to Dumfries | 760.81 mi (1,224.41 km) |
| Romanshorn to Dunbar | 770.89 mi (1,240.63 km) |
| Romanshorn to Dunblane | 820.55 mi (1,320.55 km) |
| Romanshorn to Dundee | 805.54 mi (1,296.39 km) |
| Romanshorn to Dunfermline | 800.19 mi (1,287.77 km) |
| Romanshorn to Dunstable | 532.05 mi (856.26 km) |
| Romanshorn to Durham | 685.91 mi (1,103.86 km) |
| Romanshorn to Ealing | 511.27 mi (822.81 km) |
| Romanshorn to Earlestown | 664.71 mi (1,069.75 km) |
| Romanshorn to Earley | 532.85 mi (857.54 km) |
| Romanshorn to East Barnet | 510.40 mi (821.41 km) |
| Romanshorn to East Dereham | 513.22 mi (825.95 km) |
