| Carlow to Devnya | 1,706.45 mi (2,746.26 km) |
| Carlow to Dimitrovgrad | 1,673.63 mi (2,693.45 km) |
| Carlow to Dobrich | 1,703.70 mi (2,741.84 km) |
| Carlow to Dospat | 1,632.81 mi (2,627.76 km) |
| Carlow to Dupnitsa | 1,564.21 mi (2,517.35 km) |
| Carlow to Elhovo | 1,708.11 mi (2,748.94 km) |
| Carlow to Etropole | 1,575.93 mi (2,536.22 km) |
| Carlow to Gabrovo | 1,628.85 mi (2,621.38 km) |
| Carlow to Gorna Oryahovitsa | 1,633.04 mi (2,628.12 km) |
| Carlow to Gotse Delchev | 1,619.05 mi (2,605.60 km) |
| Carlow to Harmanli | 1,690.75 mi (2,721.00 km) |
| Carlow to Haskovo | 1,677.22 mi (2,699.22 km) |
| Carlow to Ihtiman | 1,585.02 mi (2,550.85 km) |
| Carlow to Isperih | 1,656.55 mi (2,665.96 km) |
| Carlow to Kardzhali | 1,681.20 mi (2,705.63 km) |
