| Union Park to Devnya | 5,737.66 mi (9,233.88 km) |
| Union Park to Dimitrovgrad | 5,696.78 mi (9,168.09 km) |
| Union Park to Dobrich | 5,735.63 mi (9,230.60 km) |
| Union Park to Dospat | 5,648.42 mi (9,090.26 km) |
| Union Park to Dupnitsa | 5,580.40 mi (8,980.79 km) |
| Union Park to Elhovo | 5,734.36 mi (9,228.56 km) |
| Union Park to Etropole | 5,598.95 mi (9,010.64 km) |
| Union Park to Gabrovo | 5,655.44 mi (9,101.55 km) |
| Union Park to Gorna Oryahovitsa | 5,661.46 mi (9,111.24 km) |
| Union Park to Gotse Delchev | 5,632.21 mi (9,064.17 km) |
| Union Park to Harmanli | 5,714.12 mi (9,195.98 km) |
| Union Park to Haskovo | 5,699.61 mi (9,172.63 km) |
| Union Park to Ihtiman | 5,604.98 mi (9,020.35 km) |
| Union Park to Isperih | 5,688.03 mi (9,153.99 km) |
| Union Park to Kardzhali | 5,701.22 mi (9,175.23 km) |
