| The Mumbles to Deville-les-Rouen | 265.07 mi (426.59 km) |
| The Mumbles to Dieppe | 249.63 mi (401.74 km) |
| The Mumbles to Digne-les-Bains | 700.48 mi (1,127.31 km) |
| The Mumbles to Dijon | 499.95 mi (804.59 km) |
| The Mumbles to Dinan | 232.10 mi (373.53 km) |
| The Mumbles to Dinard | 220.55 mi (354.94 km) |
| The Mumbles to Divonne-les-Bains | 583.53 mi (939.10 km) |
| The Mumbles to Dole | 526.94 mi (848.03 km) |
| The Mumbles to Dombasle-sur-Meurthe | 501.28 mi (806.74 km) |
| The Mumbles to Domerat | 466.04 mi (750.02 km) |
| The Mumbles to Domont | 329.79 mi (530.75 km) |
| The Mumbles to Douai | 318.85 mi (513.14 km) |
| The Mumbles to Douarnenez | 240.95 mi (387.77 km) |
| The Mumbles to Douchy-les-Mines | 333.48 mi (536.69 km) |
| The Mumbles to Dourdan | 339.42 mi (546.24 km) |
