| North Little Rock to Smolyan | 5,820.69 mi (9,367.50 km) |
| North Little Rock to Sofia | 5,716.88 mi (9,200.43 km) |
| North Little Rock to Sopot | 5,772.71 mi (9,290.27 km) |
| North Little Rock to Sozopol | 5,892.76 mi (9,483.48 km) |
| North Little Rock to Sredets | 5,877.70 mi (9,459.25 km) |
| North Little Rock to Stamboliyski | 5,788.68 mi (9,315.98 km) |
| North Little Rock to Stara Zagora | 5,816.48 mi (9,360.72 km) |
| North Little Rock to Svilengrad | 5,868.59 mi (9,444.59 km) |
| North Little Rock to Svishtov | 5,749.63 mi (9,253.14 km) |
| North Little Rock to Targovishte | 5,812.06 mi (9,353.61 km) |
| North Little Rock to Teteven | 5,742.18 mi (9,241.15 km) |
| North Little Rock to Troyan | 5,760.56 mi (9,270.73 km) |
| North Little Rock to Tryavna | 5,790.45 mi (9,318.83 km) |
| North Little Rock to Tutrakan | 5,775.12 mi (9,294.16 km) |
| North Little Rock to Varna | 5,861.87 mi (9,433.78 km) |
