| Grenaa to Popovo | 1,126.61 mi (1,813.11 km) |
| Grenaa to Provadia | 1,168.46 mi (1,880.45 km) |
| Grenaa to Radnevo | 1,181.58 mi (1,901.57 km) |
| Grenaa to Radomir | 1,096.75 mi (1,765.05 km) |
| Grenaa to Rakitovo | 1,157.04 mi (1,862.07 km) |
| Grenaa to Rakovski | 1,158.68 mi (1,864.71 km) |
| Grenaa to Razgrad | 1,123.34 mi (1,807.84 km) |
| Grenaa to Razlog | 1,149.67 mi (1,850.21 km) |
| Grenaa to Ruse | 1,091.45 mi (1,756.52 km) |
| Grenaa to Samokov | 1,123.25 mi (1,807.70 km) |
| Grenaa to Sandanski | 1,165.54 mi (1,875.76 km) |
| Grenaa to Sevlievo | 1,117.49 mi (1,798.42 km) |
| Grenaa to Shumen | 1,149.10 mi (1,849.30 km) |
| Grenaa to Silistra | 1,109.90 mi (1,786.21 km) |
| Grenaa to Sliven | 1,168.73 mi (1,880.89 km) |
