| Geilenkirchen to Popovo | 1,076.58 mi (1,732.59 km) |
| Geilenkirchen to Provadia | 1,132.19 mi (1,822.08 km) |
| Geilenkirchen to Radnevo | 1,109.12 mi (1,784.96 km) |
| Geilenkirchen to Radomir | 982.51 mi (1,581.19 km) |
| Geilenkirchen to Rakitovo | 1,051.74 mi (1,692.61 km) |
| Geilenkirchen to Rakovski | 1,071.73 mi (1,724.78 km) |
| Geilenkirchen to Razgrad | 1,080.68 mi (1,739.18 km) |
| Geilenkirchen to Razlog | 1,033.18 mi (1,662.74 km) |
| Geilenkirchen to Ruse | 1,046.15 mi (1,683.62 km) |
| Geilenkirchen to Samokov | 1,015.29 mi (1,633.95 km) |
| Geilenkirchen to Sandanski | 1,041.40 mi (1,675.98 km) |
| Geilenkirchen to Sevlievo | 1,045.23 mi (1,682.13 km) |
| Geilenkirchen to Shumen | 1,107.74 mi (1,782.73 km) |
| Geilenkirchen to Silistra | 1,088.52 mi (1,751.81 km) |
| Geilenkirchen to Sliven | 1,108.43 mi (1,783.85 km) |
