| Walnut Park to Castle Pines (Colorado) | 830.02 mi (1,335.80 km) |
| Walnut Park to Castle Rock (Colorado) | 828.55 mi (1,333.43 km) |
| Walnut Park to Castro Valley (California) | 336.19 mi (541.05 km) |
| Walnut Park to Catalina Foothills (Arizona) | 439.73 mi (707.68 km) |
| Walnut Park to Cataño (Puerto Rico) | 3,363.51 mi (5,413.05 km) |
| Walnut Park to Cathedral City (California) | 101.21 mi (162.89 km) |
| Walnut Park to Catonsville (Maryland) | 2,308.89 mi (3,715.80 km) |
| Walnut Park to Cave Spring (Virginia) | 2,144.23 mi (3,450.80 km) |
| Walnut Park to Cayce (South Carolina) | 2,118.74 mi (3,409.78 km) |
| Walnut Park to Cayey (Puerto Rico) | 3,373.41 mi (5,428.99 km) |
| Walnut Park to Cedar City (Utah) | 385.06 mi (619.70 km) |
| Walnut Park to Cedar Falls (Iowa) | 1,510.37 mi (2,430.70 km) |
| Walnut Park to Cedar Hill (Texas) | 1,229.79 mi (1,979.16 km) |
| Walnut Park to Cedar Lake (Indiana) | 1,749.01 mi (2,814.77 km) |
| Walnut Park to Cedar Mill (Oregon) | 835.03 mi (1,343.86 km) |
