| Westerville to Carlsbad (California) | 1,952.73 mi (3,142.61 km) |
| Westerville to Carlsbad (New Mexico) | 1,297.65 mi (2,088.36 km) |
| Westerville to Carmel (Indiana) | 170.93 mi (275.08 km) |
| Westerville to Carmichael (California) | 2,037.73 mi (3,279.40 km) |
| Westerville to Carney (Maryland) | 343.31 mi (552.50 km) |
| Westerville to Carnot-Moon (Pennsylvania) | 144.98 mi (233.32 km) |
| Westerville to Carol Stream (Illinois) | 298.46 mi (480.32 km) |
| Westerville to Carolina (Puerto Rico) | 1,807.86 mi (2,909.46 km) |
| Westerville to Carolina Forest (South Carolina) | 491.82 mi (791.50 km) |
| Westerville to Carpentersville (Illinois) | 311.60 mi (501.47 km) |
| Westerville to Carpinteria (California) | 2,035.85 mi (3,276.38 km) |
| Westerville to Carrboro (North Carolina) | 357.22 mi (574.89 km) |
| Westerville to Carroll (Iowa) | 635.68 mi (1,023.03 km) |
| Westerville to Carrollton (Georgia) | 467.53 mi (752.42 km) |
| Westerville to Carrollton (Texas) | 917.51 mi (1,476.60 km) |
