| Buffalo Grove to Romeoville (Illinois) | 37.69 mi (60.66 km) |
| Buffalo Grove to Romulus (Michigan) | 235.24 mi (378.58 km) |
| Buffalo Grove to Ronkonkoma (New York) | 772.71 mi (1,243.56 km) |
| Buffalo Grove to Roosevelt (New York) | 751.04 mi (1,208.68 km) |
| Buffalo Grove to Rosamond (California) | 1,701.35 mi (2,738.05 km) |
| Buffalo Grove to Rosaryville (Maryland) | 630.08 mi (1,014.01 km) |
| Buffalo Grove to Roscoe (Illinois) | 56.40 mi (90.76 km) |
| Buffalo Grove to Rose Hill (Virginia) | 615.78 mi (991.01 km) |
| Buffalo Grove to Roseburg (Oregon) | 1,785.20 mi (2,873.00 km) |
| Buffalo Grove to Rosedale (California) | 1,736.08 mi (2,793.96 km) |
| Buffalo Grove to Rosedale (Maryland) | 630.23 mi (1,014.26 km) |
| Buffalo Grove to Roselle (Illinois) | 14.39 mi (23.16 km) |
| Buffalo Grove to Roselle (New Jersey) | 716.88 mi (1,153.71 km) |
| Buffalo Grove to Roselle Park (New Jersey) | 716.35 mi (1,152.85 km) |
| Buffalo Grove to Rosemead (California) | 1,719.69 mi (2,767.57 km) |
