| Gronau to Montana | 962.59 mi (1,549.14 km) |
| Gronau to Nova Zagora | 1,107.89 mi (1,782.97 km) |
| Gronau to Novi Iskar | 997.10 mi (1,604.68 km) |
| Gronau to Novi Pazar | 1,112.57 mi (1,790.51 km) |
| Gronau to Omurtag | 1,094.24 mi (1,761.01 km) |
| Gronau to Panagyurishte | 1,041.38 mi (1,675.94 km) |
| Gronau to Parvomay | 1,097.99 mi (1,767.04 km) |
| Gronau to Pavlikeni | 1,046.75 mi (1,684.58 km) |
| Gronau to Pazardzhik | 1,061.66 mi (1,708.57 km) |
| Gronau to Pernik | 996.18 mi (1,603.19 km) |
| Gronau to Peshtera | 1,068.89 mi (1,720.21 km) |
| Gronau to Petrich | 1,064.60 mi (1,713.31 km) |
| Gronau to Pleven | 1,013.15 mi (1,630.50 km) |
| Gronau to Plovdiv | 1,078.88 mi (1,736.29 km) |
| Gronau to Pomorie | 1,164.01 mi (1,873.29 km) |
