| Karhula to Montana | 1,192.11 mi (1,918.52 km) |
| Karhula to Nova Zagora | 1,245.97 mi (2,005.19 km) |
| Karhula to Novi Iskar | 1,233.19 mi (1,984.62 km) |
| Karhula to Novi Pazar | 1,186.07 mi (1,908.80 km) |
| Karhula to Omurtag | 1,203.49 mi (1,936.83 km) |
| Karhula to Panagyurishte | 1,250.10 mi (2,011.84 km) |
| Karhula to Parvomay | 1,274.44 mi (2,051.02 km) |
| Karhula to Pavlikeni | 1,195.32 mi (1,923.69 km) |
| Karhula to Pazardzhik | 1,270.21 mi (2,044.20 km) |
| Karhula to Pernik | 1,248.60 mi (2,009.43 km) |
| Karhula to Peshtera | 1,281.82 mi (2,062.88 km) |
| Karhula to Petrich | 1,330.49 mi (2,141.22 km) |
| Karhula to Pleven | 1,185.95 mi (1,908.60 km) |
| Karhula to Plovdiv | 1,272.26 mi (2,047.51 km) |
| Karhula to Pomorie | 1,240.36 mi (1,996.17 km) |
