| Trier to Devnya | 1,088.42 mi (1,751.65 km) |
| Trier to Dimitrovgrad | 1,051.31 mi (1,691.91 km) |
| Trier to Dobrich | 1,087.35 mi (1,749.93 km) |
| Trier to Dospat | 1,010.46 mi (1,626.18 km) |
| Trier to Dupnitsa | 941.87 mi (1,515.80 km) |
| Trier to Elhovo | 1,086.48 mi (1,748.52 km) |
| Trier to Etropole | 953.54 mi (1,534.57 km) |
| Trier to Gabrovo | 1,007.28 mi (1,621.06 km) |
| Trier to Gorna Oryahovitsa | 1,012.31 mi (1,629.15 km) |
| Trier to Gotse Delchev | 997.00 mi (1,604.52 km) |
| Trier to Harmanli | 1,068.47 mi (1,719.53 km) |
| Trier to Haskovo | 1,054.80 mi (1,697.54 km) |
| Trier to Ihtiman | 962.47 mi (1,548.95 km) |
| Trier to Isperih | 1,039.06 mi (1,672.20 km) |
| Trier to Kardzhali | 1,058.65 mi (1,703.74 km) |
