| Gahanna to Deventer | 4,069.38 mi (6,549.03 km) |
| Gahanna to Diemen | 4,021.97 mi (6,472.73 km) |
| Gahanna to Doesburg | 4,075.97 mi (6,559.65 km) |
| Gahanna to Doetinchem | 4,083.86 mi (6,572.34 km) |
| Gahanna to Dokkum | 4,030.77 mi (6,486.90 km) |
| Gahanna to Dongen | 4,041.89 mi (6,504.79 km) |
| Gahanna to Doorn | 4,045.65 mi (6,510.85 km) |
| Gahanna to Dordrecht | 4,027.15 mi (6,481.07 km) |
| Gahanna to Drachten | 4,041.44 mi (6,504.06 km) |
| Gahanna to Drimmelen | 4,035.23 mi (6,494.08 km) |
| Gahanna to Dronten | 4,044.82 mi (6,509.51 km) |
| Gahanna to Druten | 4,059.79 mi (6,533.60 km) |
| Gahanna to Duiven | 4,074.24 mi (6,556.86 km) |
| Gahanna to Echt | 4,095.03 mi (6,590.31 km) |
| Gahanna to Edam | 4,019.62 mi (6,468.95 km) |
