| Fort Smith to Castle Pines (Colorado) | 642.03 mi (1,033.24 km) |
| Fort Smith to Castle Rock (Colorado) | 638.88 mi (1,028.18 km) |
| Fort Smith to Castro Valley (California) | 1,540.51 mi (2,479.21 km) |
| Fort Smith to Catalina Foothills (Arizona) | 969.69 mi (1,560.56 km) |
| Fort Smith to Cataño (Puerto Rico) | 2,082.91 mi (3,352.11 km) |
| Fort Smith to Cathedral City (California) | 1,258.43 mi (2,025.25 km) |
| Fort Smith to Catonsville (Maryland) | 1,003.93 mi (1,615.67 km) |
| Fort Smith to Cave Spring (Virginia) | 809.50 mi (1,302.76 km) |
| Fort Smith to Cayce (South Carolina) | 763.08 mi (1,228.06 km) |
| Fort Smith to Cayey (Puerto Rico) | 2,096.29 mi (3,373.65 km) |
| Fort Smith to Cedar City (Utah) | 1,050.46 mi (1,690.55 km) |
| Fort Smith to Cedar Falls (Iowa) | 505.95 mi (814.24 km) |
| Fort Smith to Cedar Hill (Texas) | 242.07 mi (389.58 km) |
| Fort Smith to Cedar Lake (Indiana) | 559.97 mi (901.18 km) |
| Fort Smith to Cedar Mill (Oregon) | 1,640.77 mi (2,640.57 km) |
