| Grenaa to Smolyan | 1,195.85 mi (1,924.54 km) |
| Grenaa to Sofia | 1,095.68 mi (1,763.33 km) |
| Grenaa to Sopot | 1,131.46 mi (1,820.90 km) |
| Grenaa to Sozopol | 1,220.46 mi (1,964.14 km) |
| Grenaa to Sredets | 1,211.08 mi (1,949.05 km) |
| Grenaa to Stamboliyski | 1,158.04 mi (1,863.68 km) |
| Grenaa to Stara Zagora | 1,166.49 mi (1,877.29 km) |
| Grenaa to Svilengrad | 1,220.44 mi (1,964.11 km) |
| Grenaa to Svishtov | 1,088.01 mi (1,750.98 km) |
| Grenaa to Targovishte | 1,141.72 mi (1,837.42 km) |
| Grenaa to Teteven | 1,103.71 mi (1,776.25 km) |
| Grenaa to Troyan | 1,116.45 mi (1,796.75 km) |
| Grenaa to Tryavna | 1,136.63 mi (1,829.24 km) |
| Grenaa to Tutrakan | 1,095.99 mi (1,763.83 km) |
| Grenaa to Varna | 1,179.83 mi (1,898.76 km) |
