| Holborn to Montana | 1,218.33 mi (1,960.71 km) |
| Holborn to Nova Zagora | 1,369.90 mi (2,204.64 km) |
| Holborn to Novi Iskar | 1,248.38 mi (2,009.07 km) |
| Holborn to Novi Pazar | 1,385.22 mi (2,229.29 km) |
| Holborn to Omurtag | 1,362.23 mi (2,192.31 km) |
| Holborn to Panagyurishte | 1,294.66 mi (2,083.56 km) |
| Holborn to Parvomay | 1,353.42 mi (2,178.12 km) |
| Holborn to Pavlikeni | 1,311.21 mi (2,110.19 km) |
| Holborn to Pazardzhik | 1,313.35 mi (2,113.63 km) |
| Holborn to Pernik | 1,243.97 mi (2,001.98 km) |
| Holborn to Peshtera | 1,319.09 mi (2,122.86 km) |
| Holborn to Petrich | 1,303.33 mi (2,097.50 km) |
| Holborn to Pleven | 1,275.74 mi (2,053.11 km) |
| Holborn to Plovdiv | 1,332.35 mi (2,144.20 km) |
| Holborn to Pomorie | 1,433.11 mi (2,306.37 km) |
