| Dupnitsa to Oestrich-Winkel | 897.04 mi (1,443.64 km) |
| Dupnitsa to Offenburg | 850.42 mi (1,368.61 km) |
| Dupnitsa to Oftersheim | 852.56 mi (1,372.07 km) |
| Dupnitsa to Ohrdruf | 832.44 mi (1,339.68 km) |
| Dupnitsa to Ohringen | 811.01 mi (1,305.19 km) |
| Dupnitsa to Olbernhau | 742.89 mi (1,195.56 km) |
| Dupnitsa to Olching | 704.37 mi (1,133.57 km) |
| Dupnitsa to Oldenburg | 1,018.38 mi (1,638.92 km) |
| Dupnitsa to Oldenburg in Holstein | 1,000.84 mi (1,610.70 km) |
| Dupnitsa to Olfen | 984.39 mi (1,584.23 km) |
| Dupnitsa to Olpe | 940.89 mi (1,514.22 km) |
| Dupnitsa to Olsberg | 931.25 mi (1,498.71 km) |
| Dupnitsa to Oranienburg | 857.28 mi (1,379.66 km) |
| Dupnitsa to Ortenberg | 870.97 mi (1,401.70 km) |
| Dupnitsa to Oschatz | 782.13 mi (1,258.72 km) |
