| Tomball to Cortona | 5,609.55 mi (9,027.70 km) |
| Tomball to Cosenza | 5,948.17 mi (9,572.65 km) |
| Tomball to Cossato | 5,365.75 mi (8,635.34 km) |
| Tomball to Costa Volpino | 5,436.01 mi (8,748.41 km) |
| Tomball to Creazzo | 5,503.45 mi (8,856.94 km) |
| Tomball to Crema | 5,435.78 mi (8,748.05 km) |
| Tomball to Cremona | 5,458.75 mi (8,785.01 km) |
| Tomball to Crevalcore | 5,520.31 mi (8,884.07 km) |
| Tomball to Crispiano | 5,936.30 mi (9,553.55 km) |
| Tomball to Crosia | 5,959.34 mi (9,590.63 km) |
| Tomball to Crotone | 5,994.33 mi (9,646.95 km) |
| Tomball to Cuneo | 5,381.40 mi (8,660.53 km) |
| Tomball to Cuorgne | 5,350.39 mi (8,610.62 km) |
| Tomball to Cusano Milanino | 5,408.50 mi (8,704.15 km) |
| Tomball to Cutro | 5,990.67 mi (9,641.05 km) |
