| Tomball to Carlsbad (California) | 1,289.44 mi (2,075.15 km) |
| Tomball to Carlsbad (New Mexico) | 533.30 mi (858.26 km) |
| Tomball to Carmel (Indiana) | 866.22 mi (1,394.05 km) |
| Tomball to Carmichael (California) | 1,573.65 mi (2,532.55 km) |
| Tomball to Carney (Maryland) | 1,256.63 mi (2,022.34 km) |
| Tomball to Carnot-Moon (Pennsylvania) | 1,125.21 mi (1,810.85 km) |
| Tomball to Carol Stream (Illinois) | 916.96 mi (1,475.70 km) |
| Tomball to Carolina (Puerto Rico) | 2,026.30 mi (3,261.02 km) |
| Tomball to Carolina Forest (South Carolina) | 1,010.64 mi (1,626.46 km) |
| Tomball to Carpentersville (Illinois) | 925.38 mi (1,489.26 km) |
| Tomball to Carpinteria (California) | 1,423.92 mi (2,291.57 km) |
| Tomball to Carrboro (North Carolina) | 1,037.33 mi (1,669.42 km) |
| Tomball to Carroll (Iowa) | 828.44 mi (1,333.25 km) |
| Tomball to Carrollton (Georgia) | 663.26 mi (1,067.42 km) |
| Tomball to Carrollton (Texas) | 213.69 mi (343.90 km) |
