| Niksar to Dormagen | 1,607.52 mi (2,587.05 km) |
| Niksar to Dornstadt | 1,428.92 mi (2,299.63 km) |
| Niksar to Dorsten | 1,611.91 mi (2,594.11 km) |
| Niksar to Dortmund | 1,588.40 mi (2,556.29 km) |
| Niksar to Dorverden | 1,548.36 mi (2,491.84 km) |
| Niksar to Dossenheim | 1,500.09 mi (2,414.17 km) |
| Niksar to Dreieich | 1,508.09 mi (2,427.04 km) |
| Niksar to Drensteinfurt | 1,582.93 mi (2,547.48 km) |
| Niksar to Dresden | 1,323.10 mi (2,129.33 km) |
| Niksar to Drochtersen | 1,565.67 mi (2,519.70 km) |
| Niksar to Drolshagen | 1,566.54 mi (2,521.10 km) |
| Niksar to Duderstadt | 1,474.44 mi (2,372.88 km) |
| Niksar to Duisburg | 1,615.91 mi (2,600.56 km) |
| Niksar to Dulmen | 1,602.47 mi (2,578.92 km) |
| Niksar to Duren | 1,616.37 mi (2,601.29 km) |
