| Santurce-Antiguo to Devnya | 1,530.58 mi (2,463.23 km) |
| Santurce-Antiguo to Dimitrovgrad | 1,449.62 mi (2,332.94 km) |
| Santurce-Antiguo to Dobrich | 1,539.32 mi (2,477.30 km) |
| Santurce-Antiguo to Dospat | 1,384.41 mi (2,228.00 km) |
| Santurce-Antiguo to Dupnitsa | 1,322.36 mi (2,128.13 km) |
| Santurce-Antiguo to Elhovo | 1,496.02 mi (2,407.62 km) |
| Santurce-Antiguo to Etropole | 1,358.57 mi (2,186.41 km) |
| Santurce-Antiguo to Gabrovo | 1,424.46 mi (2,292.45 km) |
| Santurce-Antiguo to Gorna Oryahovitsa | 1,439.22 mi (2,316.21 km) |
| Santurce-Antiguo to Gotse Delchev | 1,364.09 mi (2,195.29 km) |
| Santurce-Antiguo to Harmanli | 1,466.48 mi (2,360.07 km) |
| Santurce-Antiguo to Haskovo | 1,449.82 mi (2,333.26 km) |
| Santurce-Antiguo to Ihtiman | 1,354.76 mi (2,180.28 km) |
| Santurce-Antiguo to Isperih | 1,488.29 mi (2,395.16 km) |
| Santurce-Antiguo to Kardzhali | 1,444.51 mi (2,324.71 km) |
