| Tomball to Cordele (Georgia) | 712.92 mi (1,147.33 km) |
| Tomball to Corinth (Mississippi) | 532.40 mi (856.82 km) |
| Tomball to Corinth (Texas) | 227.20 mi (365.65 km) |
| Tomball to Cornelius (North Carolina) | 931.97 mi (1,499.86 km) |
| Tomball to Cornelius (Oregon) | 1,823.07 mi (2,933.95 km) |
| Tomball to Corning (New York) | 1,324.08 mi (2,130.91 km) |
| Tomball to Corona (California) | 1,309.57 mi (2,107.56 km) |
| Tomball to Coronado (California) | 1,280.74 mi (2,061.14 km) |
| Tomball to Corpus Christi (Texas) | 195.20 mi (314.14 km) |
| Tomball to Corsicana (Texas) | 146.17 mi (235.24 km) |
| Tomball to Cortland (New York) | 1,378.71 mi (2,218.82 km) |
| Tomball to Corvallis (Oregon) | 1,805.14 mi (2,905.10 km) |
| Tomball to Coshocton (Ohio) | 1,045.64 mi (1,682.80 km) |
| Tomball to Costa Mesa (California) | 1,328.34 mi (2,137.76 km) |
| Tomball to Coto de Caza (California) | 1,309.17 mi (2,106.90 km) |
