| Richmond Heights to Smolyan | 5,077.93 mi (8,172.15 km) |
| Richmond Heights to Sofia | 4,974.35 mi (8,005.45 km) |
| Richmond Heights to Sopot | 5,031.17 mi (8,096.88 km) |
| Richmond Heights to Sozopol | 5,153.49 mi (8,293.73 km) |
| Richmond Heights to Sredets | 5,137.87 mi (8,268.60 km) |
| Richmond Heights to Stamboliyski | 5,046.39 mi (8,121.38 km) |
| Richmond Heights to Stara Zagora | 5,075.40 mi (8,168.07 km) |
| Richmond Heights to Svilengrad | 5,127.17 mi (8,251.38 km) |
| Richmond Heights to Svishtov | 5,009.82 mi (8,062.53 km) |
| Richmond Heights to Targovishte | 5,072.88 mi (8,164.00 km) |
| Richmond Heights to Teteven | 5,000.58 mi (8,047.66 km) |
| Richmond Heights to Troyan | 5,019.28 mi (8,077.74 km) |
| Richmond Heights to Tryavna | 5,049.78 mi (8,126.84 km) |
| Richmond Heights to Tutrakan | 5,037.13 mi (8,106.47 km) |
| Richmond Heights to Varna | 5,123.96 mi (8,246.21 km) |
