| Greenbelt to Montana | 4,873.21 mi (7,842.67 km) |
| Greenbelt to Nova Zagora | 5,024.32 mi (8,085.86 km) |
| Greenbelt to Novi Iskar | 4,903.05 mi (7,890.70 km) |
| Greenbelt to Novi Pazar | 5,035.48 mi (8,103.82 km) |
| Greenbelt to Omurtag | 5,014.88 mi (8,070.67 km) |
| Greenbelt to Panagyurishte | 4,949.46 mi (7,965.38 km) |
| Greenbelt to Parvomay | 5,008.29 mi (8,060.07 km) |
| Greenbelt to Pavlikeni | 4,964.97 mi (7,990.35 km) |
| Greenbelt to Pazardzhik | 4,967.96 mi (7,995.17 km) |
| Greenbelt to Pernik | 4,898.14 mi (7,882.80 km) |
| Greenbelt to Peshtera | 4,973.48 mi (8,004.04 km) |
| Greenbelt to Petrich | 4,954.38 mi (7,973.30 km) |
| Greenbelt to Pleven | 4,929.90 mi (7,933.90 km) |
| Greenbelt to Plovdiv | 4,987.12 mi (8,025.99 km) |
| Greenbelt to Pomorie | 5,085.40 mi (8,184.16 km) |
