| Gourock to Deville-les-Rouen | 510.48 mi (821.54 km) |
| Gourock to Dieppe | 483.45 mi (778.04 km) |
| Gourock to Digne-les-Bains | 952.57 mi (1,533.02 km) |
| Gourock to Dijon | 729.22 mi (1,173.56 km) |
| Gourock to Dinan | 531.05 mi (854.64 km) |
| Gourock to Dinard | 518.97 mi (835.21 km) |
| Gourock to Divonne-les-Bains | 813.57 mi (1,309.32 km) |
| Gourock to Dole | 754.05 mi (1,213.53 km) |
| Gourock to Dombasle-sur-Meurthe | 690.56 mi (1,111.35 km) |
| Gourock to Domerat | 734.47 mi (1,182.01 km) |
| Gourock to Domont | 564.45 mi (908.40 km) |
| Gourock to Douai | 505.12 mi (812.91 km) |
| Gourock to Douarnenez | 543.57 mi (874.80 km) |
| Gourock to Douchy-les-Mines | 517.37 mi (832.63 km) |
| Gourock to Dourdan | 588.11 mi (946.47 km) |
