| Dobrich to Novi di Modena | 841.74 mi (1,354.64 km) |
| Dobrich to Novi Ligure | 945.51 mi (1,521.65 km) |
| Dobrich to Nuoro | 974.70 mi (1,568.63 km) |
| Dobrich to Occhiobello | 808.47 mi (1,301.11 km) |
| Dobrich to Oderzo | 767.83 mi (1,235.70 km) |
| Dobrich to Oggiono | 918.81 mi (1,478.68 km) |
| Dobrich to Olbia | 953.40 mi (1,534.35 km) |
| Dobrich to Oleggio | 952.87 mi (1,533.49 km) |
| Dobrich to Olgiate Comasco | 937.26 mi (1,508.37 km) |
| Dobrich to Olgiate Olona | 940.86 mi (1,514.17 km) |
| Dobrich to Omegna | 964.48 mi (1,552.17 km) |
| Dobrich to Opera | 924.26 mi (1,487.45 km) |
| Dobrich to Oppeano | 828.62 mi (1,333.53 km) |
| Dobrich to Orbassano | 1,006.13 mi (1,619.21 km) |
| Dobrich to Orbetello | 842.02 mi (1,355.10 km) |
