| Gourock to Montana | 1,507.34 mi (2,425.83 km) |
| Gourock to Nova Zagora | 1,652.06 mi (2,658.74 km) |
| Gourock to Novi Iskar | 1,541.77 mi (2,481.25 km) |
| Gourock to Novi Pazar | 1,654.05 mi (2,661.94 km) |
| Gourock to Omurtag | 1,637.26 mi (2,634.91 km) |
| Gourock to Panagyurishte | 1,586.13 mi (2,552.63 km) |
| Gourock to Parvomay | 1,642.72 mi (2,643.70 km) |
| Gourock to Pavlikeni | 1,590.64 mi (2,559.89 km) |
| Gourock to Pazardzhik | 1,606.38 mi (2,585.22 km) |
| Gourock to Pernik | 1,540.60 mi (2,479.36 km) |
| Gourock to Peshtera | 1,613.55 mi (2,596.76 km) |
| Gourock to Petrich | 1,607.86 mi (2,587.60 km) |
| Gourock to Pleven | 1,557.39 mi (2,506.37 km) |
| Gourock to Plovdiv | 1,623.63 mi (2,612.99 km) |
| Gourock to Pomorie | 1,706.53 mi (2,746.39 km) |
