| Webster Groves to Sangeorgiu de Mures | 5,311.35 mi (8,547.80 km) |
| Webster Groves to Sangeorz-Bai | 5,279.87 mi (8,497.13 km) |
| Webster Groves to Sannicolau Mare | 5,197.41 mi (8,364.42 km) |
| Webster Groves to Santana | 5,216.29 mi (8,394.81 km) |
| Webster Groves to Satu Mare | 5,198.84 mi (8,366.73 km) |
| Webster Groves to Scobinti | 5,355.16 mi (8,618.29 km) |
| Webster Groves to Scornicesti | 5,408.32 mi (8,703.85 km) |
| Webster Groves to Sebes | 5,307.84 mi (8,542.14 km) |
| Webster Groves to Seini | 5,214.41 mi (8,391.78 km) |
| Webster Groves to Sfantu-Gheorghe | 5,389.78 mi (8,674.01 km) |
| Webster Groves to Sibiu | 5,336.19 mi (8,587.77 km) |
| Webster Groves to Sighetu Marmatiei | 5,226.75 mi (8,411.64 km) |
| Webster Groves to Sighisoara | 5,338.40 mi (8,591.32 km) |
| Webster Groves to Simeria | 5,293.18 mi (8,518.55 km) |
| Webster Groves to Sinaia | 5,406.29 mi (8,700.59 km) |
