| Youngstown to Deville-les-Rouen | 3,815.63 mi (6,140.66 km) |
| Youngstown to Dieppe | 3,803.88 mi (6,121.75 km) |
| Youngstown to Digne-les-Bains | 4,205.46 mi (6,768.04 km) |
| Youngstown to Dijon | 4,044.87 mi (6,509.58 km) |
| Youngstown to Dinan | 3,716.18 mi (5,980.61 km) |
| Youngstown to Dinard | 3,710.80 mi (5,971.95 km) |
| Youngstown to Divonne-les-Bains | 4,123.46 mi (6,636.07 km) |
| Youngstown to Dole | 4,071.78 mi (6,552.90 km) |
| Youngstown to Dombasle-sur-Meurthe | 4,056.37 mi (6,528.10 km) |
| Youngstown to Domerat | 3,972.01 mi (6,392.33 km) |
| Youngstown to Domont | 3,880.76 mi (6,245.47 km) |
| Youngstown to Douai | 3,870.99 mi (6,229.76 km) |
| Youngstown to Douarnenez | 3,629.71 mi (5,841.45 km) |
| Youngstown to Douchy-les-Mines | 3,885.54 mi (6,253.18 km) |
| Youngstown to Dourdan | 3,882.83 mi (6,248.82 km) |
