| Sliven to Dieppe | 1,297.09 mi (2,087.47 km) |
| Sliven to Digne-les-Bains | 1,011.28 mi (1,627.50 km) |
| Sliven to Dijon | 1,085.57 mi (1,747.06 km) |
| Sliven to Dinan | 1,420.37 mi (2,285.87 km) |
| Sliven to Dinard | 1,422.14 mi (2,288.71 km) |
| Sliven to Divonne-les-Bains | 1,023.42 mi (1,647.04 km) |
| Sliven to Dole | 1,061.14 mi (1,707.75 km) |
| Sliven to Dombasle-sur-Meurthe | 1,044.84 mi (1,681.50 km) |
| Sliven to Domerat | 1,194.75 mi (1,922.77 km) |
| Sliven to Domont | 1,229.19 mi (1,978.19 km) |
| Sliven to Douai | 1,219.52 mi (1,962.63 km) |
| Sliven to Douarnenez | 1,523.12 mi (2,451.23 km) |
| Sliven to Douchy-les-Mines | 1,204.89 mi (1,939.09 km) |
| Sliven to Dourdan | 1,236.82 mi (1,990.47 km) |
| Sliven to Draguignan | 1,001.42 mi (1,611.64 km) |
