| Buffalo Grove to Redon | 3,997.55 mi (6,433.43 km) |
| Buffalo Grove to Reims | 4,182.97 mi (6,731.83 km) |
| Buffalo Grove to Rennes | 3,998.35 mi (6,434.72 km) |
| Buffalo Grove to Revel | 4,316.93 mi (6,947.43 km) |
| Buffalo Grove to Reze | 4,034.14 mi (6,492.32 km) |
| Buffalo Grove to Riedisheim | 4,367.86 mi (7,029.39 km) |
| Buffalo Grove to Rillieux-la-Pape | 4,345.43 mi (6,993.29 km) |
| Buffalo Grove to Riom | 4,270.84 mi (6,873.25 km) |
| Buffalo Grove to Riorges | 4,302.61 mi (6,924.38 km) |
| Buffalo Grove to Ris-Orangis | 4,142.22 mi (6,666.26 km) |
| Buffalo Grove to Rive-de-Gier | 4,345.33 mi (6,993.14 km) |
| Buffalo Grove to Rivesaltes | 4,379.85 mi (7,048.69 km) |
| Buffalo Grove to Rixheim | 4,369.29 mi (7,031.69 km) |
| Buffalo Grove to Roanne | 4,303.98 mi (6,926.58 km) |
| Buffalo Grove to Roche-la-Moliere | 4,337.16 mi (6,979.99 km) |
