| Holbrook to Montana | 4,638.01 mi (7,464.15 km) |
| Holbrook to Nova Zagora | 4,789.42 mi (7,707.82 km) |
| Holbrook to Novi Iskar | 4,667.58 mi (7,511.75 km) |
| Holbrook to Novi Pazar | 4,801.41 mi (7,727.13 km) |
| Holbrook to Omurtag | 4,780.42 mi (7,693.35 km) |
| Holbrook to Panagyurishte | 4,714.06 mi (7,586.54 km) |
| Holbrook to Parvomay | 4,772.97 mi (7,681.36 km) |
| Holbrook to Pavlikeni | 4,730.26 mi (7,612.62 km) |
| Holbrook to Pazardzhik | 4,732.46 mi (7,616.17 km) |
| Holbrook to Pernik | 4,662.51 mi (7,503.58 km) |
| Holbrook to Peshtera | 4,737.89 mi (7,624.90 km) |
| Holbrook to Petrich | 4,718.28 mi (7,593.34 km) |
| Holbrook to Pleven | 4,695.07 mi (7,555.99 km) |
| Holbrook to Plovdiv | 4,751.70 mi (7,647.13 km) |
| Holbrook to Pomorie | 4,851.03 mi (7,806.97 km) |
