| Mullingar to Deville-les-Rouen | 456.21 mi (734.19 km) |
| Mullingar to Dieppe | 437.47 mi (704.04 km) |
| Mullingar to Digne-les-Bains | 894.84 mi (1,440.11 km) |
| Mullingar to Dijon | 690.96 mi (1,111.99 km) |
| Mullingar to Dinan | 418.60 mi (673.67 km) |
| Mullingar to Dinard | 407.93 mi (656.49 km) |
| Mullingar to Divonne-les-Bains | 775.27 mi (1,247.68 km) |
| Mullingar to Dole | 717.77 mi (1,155.13 km) |
| Mullingar to Dombasle-sur-Meurthe | 682.18 mi (1,097.86 km) |
| Mullingar to Domerat | 660.29 mi (1,062.64 km) |
| Mullingar to Domont | 519.80 mi (836.54 km) |
| Mullingar to Douai | 493.58 mi (794.34 km) |
| Mullingar to Douarnenez | 397.41 mi (639.58 km) |
| Mullingar to Douchy-les-Mines | 507.96 mi (817.48 km) |
| Mullingar to Dourdan | 532.25 mi (856.57 km) |
