| South Houston to Redon | 4,871.80 mi (7,840.41 km) |
| South Houston to Reims | 5,079.72 mi (8,175.02 km) |
| South Houston to Rennes | 4,876.53 mi (7,848.02 km) |
| South Houston to Revel | 5,173.17 mi (8,325.40 km) |
| South Houston to Reze | 4,906.47 mi (7,896.21 km) |
| South Houston to Riedisheim | 5,263.46 mi (8,470.72 km) |
| South Houston to Rillieux-la-Pape | 5,224.52 mi (8,408.06 km) |
| South Houston to Riom | 5,145.94 mi (8,281.59 km) |
| South Houston to Riorges | 5,180.92 mi (8,337.88 km) |
| South Houston to Ris-Orangis | 5,032.31 mi (8,098.72 km) |
| South Houston to Rive-de-Gier | 5,221.97 mi (8,403.95 km) |
| South Houston to Rivesaltes | 5,233.92 mi (8,423.18 km) |
| South Houston to Rixheim | 5,264.97 mi (8,473.15 km) |
| South Houston to Roanne | 5,182.32 mi (8,340.14 km) |
| South Houston to Roche-la-Moliere | 5,212.47 mi (8,388.67 km) |
