| Tomball to Carrollwood (Florida) | 803.27 mi (1,292.74 km) |
| Tomball to Carson (California) | 1,348.92 mi (2,170.87 km) |
| Tomball to Carson City (Nevada) | 1,501.63 mi (2,416.65 km) |
| Tomball to Carteret (New Jersey) | 1,401.05 mi (2,254.77 km) |
| Tomball to Cartersville (Georgia) | 692.13 mi (1,113.87 km) |
| Tomball to Carthage (Missouri) | 493.13 mi (793.61 km) |
| Tomball to Cary (Illinois) | 931.84 mi (1,499.65 km) |
| Tomball to Cary (North Carolina) | 1,048.63 mi (1,687.60 km) |
| Tomball to Casa de Oro-Mount Helix (California) | 1,269.90 mi (2,043.70 km) |
| Tomball to Casa Grande (Arizona) | 969.60 mi (1,560.42 km) |
| Tomball to Casas Adobes (Arizona) | 921.79 mi (1,483.48 km) |
| Tomball to Cascades (Virginia) | 1,204.24 mi (1,938.04 km) |
| Tomball to Casper (Wyoming) | 1,060.67 mi (1,706.98 km) |
| Tomball to Casselberry (Florida) | 865.92 mi (1,393.57 km) |
| Tomball to Castaic (California) | 1,374.63 mi (2,212.25 km) |
