| Geldern to Devnya | 1,141.28 mi (1,836.71 km) |
| Geldern to Dimitrovgrad | 1,116.49 mi (1,796.82 km) |
| Geldern to Dobrich | 1,137.42 mi (1,830.50 km) |
| Geldern to Dospat | 1,082.34 mi (1,741.85 km) |
| Geldern to Dupnitsa | 1,014.20 mi (1,632.20 km) |
| Geldern to Elhovo | 1,148.05 mi (1,847.60 km) |
| Geldern to Etropole | 1,019.73 mi (1,641.10 km) |
| Geldern to Gabrovo | 1,068.90 mi (1,720.23 km) |
| Geldern to Gorna Oryahovitsa | 1,071.25 mi (1,724.00 km) |
| Geldern to Gotse Delchev | 1,070.74 mi (1,723.19 km) |
| Geldern to Harmanli | 1,133.30 mi (1,823.87 km) |
| Geldern to Haskovo | 1,120.69 mi (1,803.58 km) |
| Geldern to Ihtiman | 1,031.48 mi (1,660.00 km) |
| Geldern to Isperih | 1,091.10 mi (1,755.95 km) |
| Geldern to Kardzhali | 1,126.60 mi (1,813.09 km) |
