| Koper to Deville-les-Rouen | 649.88 mi (1,045.87 km) |
| Koper to Dieppe | 659.81 mi (1,061.87 km) |
| Koper to Digne-les-Bains | 380.84 mi (612.90 km) |
| Koper to Dijon | 432.38 mi (695.85 km) |
| Koper to Dinan | 768.77 mi (1,237.21 km) |
| Koper to Dinard | 771.33 mi (1,241.34 km) |
| Koper to Divonne-les-Bains | 368.71 mi (593.38 km) |
| Koper to Dole | 407.29 mi (655.47 km) |
| Koper to Dombasle-sur-Meurthe | 406.91 mi (654.86 km) |
| Koper to Domerat | 540.39 mi (869.67 km) |
| Koper to Domont | 585.32 mi (941.99 km) |
| Koper to Douai | 594.03 mi (955.99 km) |
| Koper to Douarnenez | 869.75 mi (1,399.73 km) |
| Koper to Douchy-les-Mines | 579.66 mi (932.87 km) |
| Koper to Dourdan | 588.36 mi (946.87 km) |
