| Rio Maior to Dormagen | 1,112.82 mi (1,790.90 km) |
| Rio Maior to Dornstadt | 1,127.17 mi (1,814.01 km) |
| Rio Maior to Dorsten | 1,143.16 mi (1,839.75 km) |
| Rio Maior to Dortmund | 1,152.87 mi (1,855.37 km) |
| Rio Maior to Dorverden | 1,269.53 mi (2,043.11 km) |
| Rio Maior to Dossenheim | 1,110.65 mi (1,787.42 km) |
| Rio Maior to Dreieich | 1,132.48 mi (1,822.55 km) |
| Rio Maior to Drensteinfurt | 1,174.22 mi (1,889.73 km) |
| Rio Maior to Dresden | 1,359.78 mi (2,188.35 km) |
| Rio Maior to Drochtersen | 1,312.66 mi (2,112.53 km) |
| Rio Maior to Drolshagen | 1,141.61 mi (1,837.24 km) |
| Rio Maior to Duderstadt | 1,247.77 mi (2,008.09 km) |
| Rio Maior to Duisburg | 1,126.32 mi (1,812.64 km) |
| Rio Maior to Dulmen | 1,161.05 mi (1,868.53 km) |
| Rio Maior to Duren | 1,088.29 mi (1,751.43 km) |
