| Gretna to Montana | 5,846.35 mi (9,408.79 km) |
| Gretna to Nova Zagora | 5,996.73 mi (9,650.80 km) |
| Gretna to Novi Iskar | 5,876.75 mi (9,457.72 km) |
| Gretna to Novi Pazar | 6,005.82 mi (9,665.44 km) |
| Gretna to Omurtag | 5,986.22 mi (9,633.89 km) |
| Gretna to Panagyurishte | 5,923.00 mi (9,532.15 km) |
| Gretna to Parvomay | 5,981.65 mi (9,626.53 km) |
| Gretna to Pavlikeni | 5,936.94 mi (9,554.58 km) |
| Gretna to Pazardzhik | 5,941.72 mi (9,562.27 km) |
| Gretna to Pernik | 5,872.20 mi (9,450.39 km) |
| Gretna to Peshtera | 5,947.41 mi (9,571.43 km) |
| Gretna to Petrich | 5,929.32 mi (9,542.32 km) |
| Gretna to Pleven | 5,902.15 mi (9,498.59 km) |
| Gretna to Plovdiv | 5,960.69 mi (9,592.81 km) |
| Gretna to Pomorie | 6,056.51 mi (9,747.01 km) |
