| Grez-Doiceau to Nova Zagora | 1,154.89 mi (1,858.61 km) |
| Grez-Doiceau to Novi Iskar | 1,034.60 mi (1,665.02 km) |
| Grez-Doiceau to Novi Pazar | 1,169.57 mi (1,882.25 km) |
| Grez-Doiceau to Omurtag | 1,146.75 mi (1,845.52 km) |
| Grez-Doiceau to Panagyurishte | 1,080.65 mi (1,739.14 km) |
| Grez-Doiceau to Parvomay | 1,139.18 mi (1,833.33 km) |
| Grez-Doiceau to Pavlikeni | 1,095.93 mi (1,763.74 km) |
| Grez-Doiceau to Pazardzhik | 1,099.61 mi (1,769.65 km) |
| Grez-Doiceau to Pernik | 1,030.75 mi (1,658.84 km) |
| Grez-Doiceau to Peshtera | 1,105.60 mi (1,779.29 km) |
| Grez-Doiceau to Petrich | 1,092.02 mi (1,757.44 km) |
| Grez-Doiceau to Pleven | 1,060.59 mi (1,706.86 km) |
| Grez-Doiceau to Plovdiv | 1,118.36 mi (1,799.83 km) |
| Grez-Doiceau to Pomorie | 1,217.59 mi (1,959.53 km) |
| Grez-Doiceau to Popovo | 1,129.32 mi (1,817.47 km) |
