| South Houston to Rury | 5,691.88 mi (9,160.20 km) |
| South Houston to Rybnik | 5,603.38 mi (9,017.78 km) |
| South Houston to Ryki | 5,655.22 mi (9,101.19 km) |
| South Houston to Rypin | 5,511.75 mi (8,870.31 km) |
| South Houston to Rzeszow | 5,726.69 mi (9,216.21 km) |
| South Houston to Sandomierz | 5,689.99 mi (9,157.15 km) |
| South Houston to Sanok | 5,755.20 mi (9,262.10 km) |
| South Houston to Sedziszow Malopolski | 5,714.86 mi (9,197.18 km) |
| South Houston to Sepolno Krajenskie | 5,431.95 mi (8,741.88 km) |
| South Houston to Sidlice | 5,431.98 mi (8,741.93 km) |
| South Houston to Siechnice | 5,515.09 mi (8,875.68 km) |
| South Houston to Siedlce | 5,643.47 mi (9,082.29 km) |
| South Houston to Siemianowice Slaskie | 5,610.96 mi (9,029.96 km) |
| South Houston to Siemiatycze | 5,651.46 mi (9,095.15 km) |
| South Houston to Sieradz | 5,548.26 mi (8,929.07 km) |
