| Romeoville to Dormagen | 4,250.88 mi (6,841.13 km) |
| Romeoville to Dornstadt | 4,467.52 mi (7,189.77 km) |
| Romeoville to Dorsten | 4,235.77 mi (6,816.81 km) |
| Romeoville to Dortmund | 4,259.30 mi (6,854.68 km) |
| Romeoville to Dorverden | 4,272.86 mi (6,876.51 km) |
| Romeoville to Dossenheim | 4,381.72 mi (7,051.69 km) |
| Romeoville to Dreieich | 4,361.58 mi (7,019.28 km) |
| Romeoville to Drensteinfurt | 4,258.92 mi (6,854.06 km) |
| Romeoville to Dresden | 4,501.40 mi (7,244.31 km) |
| Romeoville to Drochtersen | 4,246.42 mi (6,833.95 km) |
| Romeoville to Drolshagen | 4,288.18 mi (6,901.16 km) |
| Romeoville to Duderstadt | 4,360.02 mi (7,016.77 km) |
| Romeoville to Duisburg | 4,236.64 mi (6,818.21 km) |
| Romeoville to Dulmen | 4,240.91 mi (6,825.09 km) |
| Romeoville to Duren | 4,249.59 mi (6,839.05 km) |
