| Monaghan to Dillenburg | 684.46 mi (1,101.53 km) |
| Monaghan to Dillingen | 844.74 mi (1,359.47 km) |
| Monaghan to Dillingen | 674.66 mi (1,085.77 km) |
| Monaghan to Dingolfing | 919.95 mi (1,480.52 km) |
| Monaghan to Dinkelsbuhl | 820.01 mi (1,319.67 km) |
| Monaghan to Dinklage | 629.64 mi (1,013.30 km) |
| Monaghan to Dinslaken | 599.22 mi (964.35 km) |
| Monaghan to Dippoldiswalde | 893.51 mi (1,437.96 km) |
| Monaghan to Ditzingen | 781.93 mi (1,258.40 km) |
| Monaghan to Dobeln | 865.27 mi (1,392.51 km) |
| Monaghan to Doberlug-Kirchhain | 871.10 mi (1,401.90 km) |
| Monaghan to Donaueschingen | 797.32 mi (1,283.15 km) |
| Monaghan to Donauworth | 852.26 mi (1,371.57 km) |
| Monaghan to Donzdorf | 815.68 mi (1,312.71 km) |
| Monaghan to Dorfen | 920.32 mi (1,481.11 km) |
