| Clay Cross to Montana | 1,308.17 mi (2,105.30 km) |
| Clay Cross to Nova Zagora | 1,457.25 mi (2,345.22 km) |
| Clay Cross to Novi Iskar | 1,340.24 mi (2,156.90 km) |
| Clay Cross to Novi Pazar | 1,466.95 mi (2,360.82 km) |
| Clay Cross to Omurtag | 1,446.51 mi (2,327.93 km) |
| Clay Cross to Panagyurishte | 1,385.81 mi (2,230.25 km) |
| Clay Cross to Parvomay | 1,443.79 mi (2,323.56 km) |
| Clay Cross to Pavlikeni | 1,397.21 mi (2,248.59 km) |
| Clay Cross to Pazardzhik | 1,405.23 mi (2,261.50 km) |
| Clay Cross to Pernik | 1,337.24 mi (2,152.08 km) |
| Clay Cross to Peshtera | 1,411.61 mi (2,271.77 km) |
| Clay Cross to Petrich | 1,400.24 mi (2,253.47 km) |
| Clay Cross to Pleven | 1,362.57 mi (2,192.85 km) |
| Clay Cross to Plovdiv | 1,423.52 mi (2,290.94 km) |
| Clay Cross to Pomorie | 1,516.92 mi (2,441.25 km) |
