| Kelso to Devnya | 6,003.90 mi (9,662.35 km) |
| Kelso to Dimitrovgrad | 6,044.10 mi (9,727.04 km) |
| Kelso to Dobrich | 5,985.73 mi (9,633.11 km) |
| Kelso to Dospat | 6,042.49 mi (9,724.44 km) |
| Kelso to Dupnitsa | 5,982.62 mi (9,628.09 km) |
| Kelso to Elhovo | 6,054.29 mi (9,743.44 km) |
| Kelso to Etropole | 5,963.58 mi (9,597.45 km) |
| Kelso to Gabrovo | 5,986.60 mi (9,634.50 km) |
| Kelso to Gorna Oryahovitsa | 5,976.18 mi (9,617.73 km) |
| Kelso to Gotse Delchev | 6,039.32 mi (9,719.34 km) |
| Kelso to Harmanli | 6,057.18 mi (9,748.10 km) |
| Kelso to Haskovo | 6,051.00 mi (9,738.14 km) |
| Kelso to Ihtiman | 5,985.33 mi (9,632.46 km) |
| Kelso to Isperih | 5,958.76 mi (9,589.70 km) |
| Kelso to Kardzhali | 6,065.48 mi (9,761.44 km) |
