| Merrillville to Dormagen | 4,229.81 mi (6,807.23 km) |
| Merrillville to Dornstadt | 4,445.68 mi (7,154.63 km) |
| Merrillville to Dorsten | 4,215.08 mi (6,783.51 km) |
| Merrillville to Dortmund | 4,238.64 mi (6,821.44 km) |
| Merrillville to Dorverden | 4,253.45 mi (6,845.26 km) |
| Merrillville to Dossenheim | 4,360.12 mi (7,016.93 km) |
| Merrillville to Dreieich | 4,340.31 mi (6,985.05 km) |
| Merrillville to Drensteinfurt | 4,238.49 mi (6,821.20 km) |
| Merrillville to Dresden | 4,482.04 mi (7,213.15 km) |
| Merrillville to Drochtersen | 4,227.57 mi (6,803.61 km) |
| Merrillville to Drolshagen | 4,267.30 mi (6,867.56 km) |
| Merrillville to Duderstadt | 4,340.03 mi (6,984.61 km) |
| Merrillville to Duisburg | 4,215.76 mi (6,784.62 km) |
| Merrillville to Dulmen | 4,220.40 mi (6,792.09 km) |
| Merrillville to Duren | 4,228.26 mi (6,804.72 km) |
