| Houma to Collegno | 5,172.62 mi (8,324.53 km) |
| Houma to Cologno al Serio | 5,248.10 mi (8,446.00 km) |
| Houma to Cologno Monzese | 5,231.87 mi (8,419.88 km) |
| Houma to Colorno | 5,298.71 mi (8,527.45 km) |
| Houma to Comacchio | 5,383.53 mi (8,663.95 km) |
| Houma to Comiso | 5,769.01 mi (9,284.33 km) |
| Houma to Como | 5,214.58 mi (8,392.05 km) |
| Houma to Concordia Sagittaria | 5,374.77 mi (8,649.85 km) |
| Houma to Concorezzo | 5,232.35 mi (8,420.66 km) |
| Houma to Conegliano | 5,347.57 mi (8,606.08 km) |
| Houma to Conselice | 5,374.88 mi (8,650.04 km) |
| Houma to Conselve | 5,351.81 mi (8,612.91 km) |
| Houma to Conversano | 5,731.63 mi (9,224.17 km) |
| Houma to Copertino | 5,799.21 mi (9,332.92 km) |
| Houma to Copparo | 5,361.77 mi (8,628.94 km) |
