| Hartford to Dendermonde | 3,545.03 mi (5,705.18 km) |
| Hartford to Dessel | 3,580.86 mi (5,762.83 km) |
| Hartford to Destelbergen | 3,532.48 mi (5,684.98 km) |
| Hartford to Deurne | 3,554.79 mi (5,720.89 km) |
| Hartford to Diepenbeek | 3,601.46 mi (5,795.98 km) |
| Hartford to Diest | 3,584.68 mi (5,768.98 km) |
| Hartford to Diksmuide | 3,495.06 mi (5,624.75 km) |
| Hartford to Dilbeek | 3,556.20 mi (5,723.15 km) |
| Hartford to Dinant | 3,598.07 mi (5,790.54 km) |
| Hartford to Dison | 3,626.62 mi (5,836.49 km) |
| Hartford to Dour | 3,548.26 mi (5,710.36 km) |
| Hartford to Drongen | 3,527.08 mi (5,676.29 km) |
| Hartford to Duffel | 3,560.16 mi (5,729.52 km) |
| Hartford to Durbuy | 3,617.76 mi (5,822.23 km) |
| Hartford to Ecaussinnes-Lalaing | 3,560.34 mi (5,729.81 km) |
