| Walnut Park to Rockport (Texas) | 1,315.19 mi (2,116.59 km) |
| Walnut Park to Rockville (Maryland) | 2,287.73 mi (3,681.75 km) |
| Walnut Park to Rockville Centre (New York) | 2,466.24 mi (3,969.03 km) |
| Walnut Park to Rockwall (Texas) | 1,255.71 mi (2,020.88 km) |
| Walnut Park to Rocky Mount (North Carolina) | 2,276.28 mi (3,663.32 km) |
| Walnut Park to Rocky Point (New York) | 2,501.61 mi (4,025.95 km) |
| Walnut Park to Rocky River (Ohio) | 2,037.96 mi (3,279.79 km) |
| Walnut Park to Roessleville (New York) | 2,452.31 mi (3,946.60 km) |
| Walnut Park to Rogers (Arkansas) | 1,365.96 mi (2,198.30 km) |
| Walnut Park to Rogers (Minnesota) | 1,515.08 mi (2,438.29 km) |
| Walnut Park to Rohnert Park (California) | 392.16 mi (631.12 km) |
| Walnut Park to Rolla (Missouri) | 1,499.96 mi (2,413.95 km) |
| Walnut Park to Rolling Meadows (Illinois) | 1,725.79 mi (2,777.39 km) |
| Walnut Park to Roma (Texas) | 1,257.85 mi (2,024.31 km) |
| Walnut Park to Rome (Georgia) | 1,881.39 mi (3,027.81 km) |
