| Montgeron to Popovo | 1,193.21 mi (1,920.29 km) |
| Montgeron to Provadia | 1,252.42 mi (2,015.57 km) |
| Montgeron to Radnevo | 1,213.72 mi (1,953.29 km) |
| Montgeron to Radomir | 1,073.17 mi (1,727.10 km) |
| Montgeron to Rakitovo | 1,143.00 mi (1,839.47 km) |
| Montgeron to Rakovski | 1,171.14 mi (1,884.77 km) |
| Montgeron to Razgrad | 1,200.43 mi (1,931.90 km) |
| Montgeron to Razlog | 1,119.66 mi (1,801.91 km) |
| Montgeron to Ruse | 1,166.44 mi (1,877.20 km) |
| Montgeron to Samokov | 1,107.23 mi (1,781.92 km) |
| Montgeron to Sandanski | 1,123.36 mi (1,807.88 km) |
| Montgeron to Sevlievo | 1,153.14 mi (1,855.80 km) |
| Montgeron to Shumen | 1,226.80 mi (1,974.34 km) |
| Montgeron to Silistra | 1,217.19 mi (1,958.88 km) |
| Montgeron to Sliven | 1,218.81 mi (1,961.49 km) |
