| Ridge to Romeoville (Illinois) | 790.86 mi (1,272.76 km) |
| Ridge to Romulus (Michigan) | 549.21 mi (883.87 km) |
| Ridge to Ronkonkoma (New York) | 14.56 mi (23.43 km) |
| Ridge to Roosevelt (New York) | 39.94 mi (64.27 km) |
| Ridge to Rosamond (California) | 2,478.99 mi (3,989.54 km) |
| Ridge to Rosaryville (Maryland) | 256.20 mi (412.31 km) |
| Ridge to Roscoe (Illinois) | 837.68 mi (1,348.11 km) |
| Ridge to Rose Hill (Virginia) | 267.76 mi (430.92 km) |
| Ridge to Roseburg (Oregon) | 2,554.18 mi (4,110.56 km) |
| Ridge to Rosedale (California) | 2,516.17 mi (4,049.39 km) |
| Ridge to Rosedale (Maryland) | 220.53 mi (354.90 km) |
| Ridge to Roselle (Illinois) | 789.92 mi (1,271.26 km) |
| Ridge to Roselle (New Jersey) | 74.22 mi (119.44 km) |
| Ridge to Roselle Park (New Jersey) | 74.35 mi (119.66 km) |
| Ridge to Rosemead (California) | 2,494.43 mi (4,014.40 km) |
