| Webster Groves to Rury | 5,028.23 mi (8,092.16 km) |
| Webster Groves to Rybnik | 4,946.21 mi (7,960.16 km) |
| Webster Groves to Ryki | 4,991.40 mi (8,032.88 km) |
| Webster Groves to Rypin | 4,847.54 mi (7,801.35 km) |
| Webster Groves to Rzeszow | 5,065.83 mi (8,152.67 km) |
| Webster Groves to Sandomierz | 5,028.12 mi (8,091.98 km) |
| Webster Groves to Sanok | 5,095.08 mi (8,199.73 km) |
| Webster Groves to Sedziszow Malopolski | 5,054.26 mi (8,134.05 km) |
| Webster Groves to Sepolno Krajenskie | 4,768.64 mi (7,674.38 km) |
| Webster Groves to Sidlice | 4,766.14 mi (7,670.36 km) |
| Webster Groves to Siechnice | 4,857.27 mi (7,817.02 km) |
| Webster Groves to Siedlce | 4,978.42 mi (8,011.99 km) |
| Webster Groves to Siemianowice Slaskie | 4,952.87 mi (7,970.87 km) |
| Webster Groves to Siemiatycze | 4,985.47 mi (8,023.34 km) |
| Webster Groves to Sieradz | 4,887.57 mi (7,865.78 km) |
