| Houma to Castrovillari | 5,734.85 mi (9,229.36 km) |
| Houma to Catania | 5,771.33 mi (9,288.06 km) |
| Houma to Catanzaro | 5,787.42 mi (9,313.95 km) |
| Houma to Cattolica | 5,432.47 mi (8,742.72 km) |
| Houma to Cava de' Tirreni | 5,635.35 mi (9,069.23 km) |
| Houma to Cavallino | 5,803.81 mi (9,340.34 km) |
| Houma to Cavarzere | 5,364.20 mi (8,632.85 km) |
| Houma to Cave | 5,516.82 mi (8,878.46 km) |
| Houma to Cavriago | 5,312.91 mi (8,550.31 km) |
| Houma to Cavriglia | 5,394.00 mi (8,680.80 km) |
| Houma to Cazzago San Martino | 5,262.03 mi (8,468.42 km) |
| Houma to Ceccano | 5,543.40 mi (8,921.25 km) |
| Houma to Cecina | 5,358.52 mi (8,623.70 km) |
| Houma to Cefalu | 5,702.08 mi (9,176.61 km) |
| Houma to Ceglie Messapico | 5,760.44 mi (9,270.53 km) |
