| Chicago Ridge to Rockville (Maryland) | 587.18 mi (944.97 km) |
| Chicago Ridge to Rockville Centre (New York) | 737.99 mi (1,187.69 km) |
| Chicago Ridge to Rockwall (Texas) | 770.43 mi (1,239.88 km) |
| Chicago Ridge to Rocky Mount (North Carolina) | 666.52 mi (1,072.67 km) |
| Chicago Ridge to Rocky Point (New York) | 771.10 mi (1,240.97 km) |
| Chicago Ridge to Rocky River (Ohio) | 306.66 mi (493.52 km) |
| Chicago Ridge to Roessleville (New York) | 718.17 mi (1,155.79 km) |
| Chicago Ridge to Rogers (Arkansas) | 505.26 mi (813.15 km) |
| Chicago Ridge to Rogers (Minnesota) | 377.37 mi (607.31 km) |
| Chicago Ridge to Rohnert Park (California) | 1,849.11 mi (2,975.86 km) |
| Chicago Ridge to Rolla (Missouri) | 334.63 mi (538.53 km) |
| Chicago Ridge to Rolling Meadows (Illinois) | 28.60 mi (46.02 km) |
| Chicago Ridge to Roma (Texas) | 1,233.81 mi (1,985.63 km) |
| Chicago Ridge to Rome (Georgia) | 532.84 mi (857.52 km) |
| Chicago Ridge to Rome (New York) | 634.51 mi (1,021.15 km) |
