| Leiria to Dudley | 937.24 mi (1,508.34 km) |
| Leiria to Dukinfield | 999.30 mi (1,608.21 km) |
| Leiria to Dumbarton | 1,135.86 mi (1,827.99 km) |
| Leiria to Dumfries | 1,085.29 mi (1,746.61 km) |
| Leiria to Dunbar | 1,158.92 mi (1,865.10 km) |
| Leiria to Dunblane | 1,156.56 mi (1,861.30 km) |
| Leiria to Dundee | 1,184.55 mi (1,906.35 km) |
| Leiria to Dunfermline | 1,153.88 mi (1,856.99 km) |
| Leiria to Dunstable | 927.05 mi (1,491.94 km) |
| Leiria to Durham | 1,090.70 mi (1,755.31 km) |
| Leiria to Ealing | 909.47 mi (1,463.65 km) |
| Leiria to Earlestown | 989.66 mi (1,592.71 km) |
| Leiria to Earley | 891.12 mi (1,434.11 km) |
| Leiria to East Barnet | 919.89 mi (1,480.42 km) |
| Leiria to East Dereham | 1,005.42 mi (1,618.07 km) |
