| Reston to Sangeorgiu de Mures | 4,816.01 mi (7,750.63 km) |
| Reston to Sangeorz-Bai | 4,791.14 mi (7,710.59 km) |
| Reston to Sannicolau Mare | 4,683.95 mi (7,538.09 km) |
| Reston to Santana | 4,708.13 mi (7,577.01 km) |
| Reston to Satu Mare | 4,706.17 mi (7,573.84 km) |
| Reston to Scobinti | 4,875.58 mi (7,846.48 km) |
| Reston to Scornicesti | 4,899.80 mi (7,885.46 km) |
| Reston to Sebes | 4,804.89 mi (7,732.72 km) |
| Reston to Seini | 4,722.94 mi (7,600.83 km) |
| Reston to Sfantu-Gheorghe | 4,894.99 mi (7,877.72 km) |
| Reston to Sibiu | 4,834.37 mi (7,780.17 km) |
| Reston to Sighetu Marmatiei | 4,738.92 mi (7,626.55 km) |
| Reston to Sighisoara | 4,842.03 mi (7,792.50 km) |
| Reston to Simeria | 4,787.29 mi (7,704.40 km) |
| Reston to Sinaia | 4,907.05 mi (7,897.13 km) |
