| Houston to Cognac | 5,003.70 mi (8,052.68 km) |
| Houston to Cogolin | 5,381.46 mi (8,660.62 km) |
| Houston to Colmar | 5,251.85 mi (8,452.04 km) |
| Houston to Colombes | 5,017.78 mi (8,075.33 km) |
| Houston to Colomiers | 5,139.89 mi (8,271.85 km) |
| Houston to Combs-la-Ville | 5,038.02 mi (8,107.90 km) |
| Houston to Comines | 4,993.14 mi (8,035.69 km) |
| Houston to Compiegne | 5,026.23 mi (8,088.94 km) |
| Houston to Concarneau | 4,788.01 mi (7,705.55 km) |
| Houston to Conde-sur-l'Escaut | 5,025.55 mi (8,087.83 km) |
| Houston to Conflans-Sainte-Honorine | 5,009.22 mi (8,061.57 km) |
| Houston to Corbas | 5,230.38 mi (8,417.49 km) |
| Houston to Corbeil-Essonnes | 5,036.51 mi (8,105.48 km) |
| Houston to Cormeilles-en-Parisis | 5,014.19 mi (8,069.57 km) |
| Houston to Cosne sur Loire | 5,091.62 mi (8,194.16 km) |
