| Helensburgh to Montana | 1,506.08 mi (2,423.80 km) |
| Helensburgh to Nova Zagora | 1,650.62 mi (2,656.41 km) |
| Helensburgh to Novi Iskar | 1,540.60 mi (2,479.36 km) |
| Helensburgh to Novi Pazar | 1,652.33 mi (2,659.17 km) |
| Helensburgh to Omurtag | 1,635.66 mi (2,632.35 km) |
| Helensburgh to Panagyurishte | 1,584.90 mi (2,550.66 km) |
| Helensburgh to Parvomay | 1,641.43 mi (2,641.62 km) |
| Helensburgh to Pavlikeni | 1,589.15 mi (2,557.50 km) |
| Helensburgh to Pazardzhik | 1,605.18 mi (2,583.29 km) |
| Helensburgh to Pernik | 1,539.50 mi (2,477.59 km) |
| Helensburgh to Peshtera | 1,612.38 mi (2,594.88 km) |
| Helensburgh to Petrich | 1,606.94 mi (2,586.11 km) |
| Helensburgh to Pleven | 1,555.95 mi (2,504.07 km) |
| Helensburgh to Plovdiv | 1,622.39 mi (2,610.99 km) |
| Helensburgh to Pomorie | 1,704.88 mi (2,743.75 km) |
