| Grenada to Smolyan | 5,777.68 mi (9,298.28 km) |
| Grenada to Sofia | 5,674.33 mi (9,131.95 km) |
| Grenada to Sopot | 5,731.85 mi (9,224.52 km) |
| Grenada to Sozopol | 5,855.30 mi (9,423.19 km) |
| Grenada to Sredets | 5,839.45 mi (9,397.68 km) |
| Grenada to Stamboliyski | 5,746.53 mi (9,248.15 km) |
| Grenada to Stara Zagora | 5,776.35 mi (9,296.14 km) |
| Grenada to Svilengrad | 5,827.90 mi (9,379.09 km) |
| Grenada to Svishtov | 5,711.44 mi (9,191.68 km) |
| Grenada to Targovishte | 5,774.74 mi (9,293.54 km) |
| Grenada to Teteven | 5,701.24 mi (9,175.25 km) |
| Grenada to Troyan | 5,720.12 mi (9,205.65 km) |
| Grenada to Tryavna | 5,750.98 mi (9,255.30 km) |
| Grenada to Tutrakan | 5,739.39 mi (9,236.66 km) |
| Grenada to Varna | 5,826.23 mi (9,376.41 km) |
