| Gahanna to Dormagen | 4,131.01 mi (6,648.21 km) |
| Gahanna to Dornstadt | 4,341.31 mi (6,986.67 km) |
| Gahanna to Dorsten | 4,118.78 mi (6,628.53 km) |
| Gahanna to Dortmund | 4,142.48 mi (6,666.68 km) |
| Gahanna to Dorverden | 4,165.30 mi (6,703.40 km) |
| Gahanna to Dossenheim | 4,257.51 mi (6,851.81 km) |
| Gahanna to Dreieich | 4,239.91 mi (6,823.47 km) |
| Gahanna to Drensteinfurt | 4,143.86 mi (6,668.90 km) |
| Gahanna to Dresden | 4,393.64 mi (7,070.87 km) |
| Gahanna to Drochtersen | 4,143.14 mi (6,667.75 km) |
| Gahanna to Drolshagen | 4,169.61 mi (6,710.34 km) |
| Gahanna to Duderstadt | 4,248.00 mi (6,836.49 km) |
| Gahanna to Duisburg | 4,118.25 mi (6,627.68 km) |
| Gahanna to Dulmen | 4,125.26 mi (6,638.96 km) |
| Gahanna to Duren | 4,127.74 mi (6,642.96 km) |
