| Ridge to Robertsville (New Jersey) | 83.80 mi (134.86 km) |
| Ridge to Robinson (Texas) | 1,494.61 mi (2,405.35 km) |
| Ridge to Robstown (Texas) | 1,670.05 mi (2,687.69 km) |
| Ridge to Rochester (Michigan) | 541.14 mi (870.89 km) |
| Ridge to Rochester (Minnesota) | 1,019.11 mi (1,640.09 km) |
| Ridge to Rochester (New Hampshire) | 191.91 mi (308.85 km) |
| Ridge to Rochester (New York) | 288.79 mi (464.76 km) |
| Ridge to Rochester Hills (Michigan) | 542.72 mi (873.42 km) |
| Ridge to Rock Hill (South Carolina) | 605.14 mi (973.88 km) |
| Ridge to Rock Island (Illinois) | 919.60 mi (1,479.96 km) |
| Ridge to Rock Springs (Wyoming) | 1,874.22 mi (3,016.27 km) |
| Ridge to Rockford (Illinois) | 840.25 mi (1,352.25 km) |
| Ridge to Rockledge (Florida) | 976.58 mi (1,571.65 km) |
| Ridge to Rocklin (California) | 2,536.54 mi (4,082.17 km) |
| Ridge to Rockport (Texas) | 1,631.57 mi (2,625.75 km) |
