| Monaghan to Deville-les-Rouen | 474.98 mi (764.41 km) |
| Monaghan to Dieppe | 453.66 mi (730.10 km) |
| Monaghan to Digne-les-Bains | 917.97 mi (1,477.33 km) |
| Monaghan to Dijon | 707.91 mi (1,139.27 km) |
| Monaghan to Dinan | 452.78 mi (728.68 km) |
| Monaghan to Dinard | 441.60 mi (710.68 km) |
| Monaghan to Divonne-les-Bains | 792.78 mi (1,275.86 km) |
| Monaghan to Dole | 734.39 mi (1,181.88 km) |
| Monaghan to Dombasle-sur-Meurthe | 691.15 mi (1,112.29 km) |
| Monaghan to Domerat | 686.46 mi (1,104.75 km) |
| Monaghan to Domont | 536.84 mi (863.96 km) |
| Monaghan to Douai | 501.30 mi (806.76 km) |
| Monaghan to Douarnenez | 440.34 mi (708.66 km) |
| Monaghan to Douchy-les-Mines | 515.31 mi (829.32 km) |
| Monaghan to Dourdan | 552.45 mi (889.09 km) |
