| Howard to Cabestany | 4,298.07 mi (6,917.08 km) |
| Howard to Cabries | 4,365.17 mi (7,025.05 km) |
| Howard to Cachan | 4,032.71 mi (6,490.02 km) |
| Howard to Caen | 3,914.90 mi (6,300.43 km) |
| Howard to Cagnes-sur-Mer | 4,426.01 mi (7,122.97 km) |
| Howard to Cahors | 4,165.82 mi (6,704.24 km) |
| Howard to Calais | 3,934.79 mi (6,332.43 km) |
| Howard to Caluire-et-Cuire | 4,247.25 mi (6,835.28 km) |
| Howard to Cambrai | 4,014.46 mi (6,460.64 km) |
| Howard to Canet-en-Roussillon | 4,299.68 mi (6,919.67 km) |
| Howard to Cannes | 4,425.44 mi (7,122.05 km) |
| Howard to Canteleu | 3,958.80 mi (6,371.08 km) |
| Howard to Capbreton | 4,079.61 mi (6,565.50 km) |
| Howard to Carcassonne | 4,252.29 mi (6,843.40 km) |
| Howard to Carmaux | 4,210.70 mi (6,776.47 km) |
