| New Port Richey East to Smolyan | 5,752.92 mi (9,258.43 km) |
| New Port Richey East to Sofia | 5,652.67 mi (9,097.09 km) |
| New Port Richey East to Sopot | 5,715.88 mi (9,198.82 km) |
| New Port Richey East to Sozopol | 5,850.57 mi (9,415.58 km) |
| New Port Richey East to Sredets | 5,831.94 mi (9,385.59 km) |
| New Port Richey East to Stamboliyski | 5,725.46 mi (9,214.24 km) |
| New Port Richey East to Stara Zagora | 5,762.59 mi (9,273.99 km) |
| New Port Richey East to Svilengrad | 5,811.28 mi (9,352.34 km) |
| New Port Richey East to Svishtov | 5,705.84 mi (9,182.66 km) |
| New Port Richey East to Targovishte | 5,771.58 mi (9,288.46 km) |
| New Port Richey East to Teteven | 5,685.34 mi (9,149.66 km) |
| New Port Richey East to Troyan | 5,705.89 mi (9,182.74 km) |
| New Port Richey East to Tryavna | 5,740.02 mi (9,237.67 km) |
| New Port Richey East to Tutrakan | 5,742.73 mi (9,242.04 km) |
| New Port Richey East to Varna | 5,828.74 mi (9,380.45 km) |
