| Upper Grand Lagoon to Montana | 5,657.34 mi (9,104.61 km) |
| Upper Grand Lagoon to Nova Zagora | 5,809.21 mi (9,349.02 km) |
| Upper Grand Lagoon to Novi Iskar | 5,686.39 mi (9,151.36 km) |
| Upper Grand Lagoon to Novi Pazar | 5,822.12 mi (9,369.80 km) |
| Upper Grand Lagoon to Omurtag | 5,800.78 mi (9,335.45 km) |
| Upper Grand Lagoon to Panagyurishte | 5,733.00 mi (9,226.37 km) |
| Upper Grand Lagoon to Parvomay | 5,792.06 mi (9,321.42 km) |
| Upper Grand Lagoon to Pavlikeni | 5,750.34 mi (9,254.27 km) |
| Upper Grand Lagoon to Pazardzhik | 5,751.18 mi (9,255.63 km) |
| Upper Grand Lagoon to Pernik | 5,680.92 mi (9,142.56 km) |
| Upper Grand Lagoon to Peshtera | 5,756.41 mi (9,264.05 km) |
| Upper Grand Lagoon to Petrich | 5,735.32 mi (9,230.10 km) |
| Upper Grand Lagoon to Pleven | 5,715.00 mi (9,197.41 km) |
| Upper Grand Lagoon to Plovdiv | 5,770.60 mi (9,286.88 km) |
| Upper Grand Lagoon to Pomorie | 5,871.46 mi (9,449.20 km) |
