| Allouez to Cadiz | 4,147.69 mi (6,675.07 km) |
| Allouez to Calafell | 4,302.69 mi (6,924.51 km) |
| Allouez to Calahorra | 4,110.03 mi (6,614.46 km) |
| Allouez to Calasparra | 4,283.89 mi (6,894.26 km) |
| Allouez to Calatayud | 4,161.41 mi (6,697.15 km) |
| Allouez to Caldas de Montbuy | 4,309.97 mi (6,936.23 km) |
| Allouez to Caldas de Reyes | 3,812.81 mi (6,136.12 km) |
| Allouez to Calella | 4,331.25 mi (6,970.48 km) |
| Allouez to Callosa de Segura | 4,324.18 mi (6,959.09 km) |
| Allouez to Calpe | 4,342.76 mi (6,989.00 km) |
| Allouez to Calvia | 4,409.82 mi (7,096.92 km) |
| Allouez to Camas | 4,125.05 mi (6,638.62 km) |
| Allouez to Cambados | 3,809.47 mi (6,130.74 km) |
| Allouez to Cambre | 3,801.69 mi (6,118.23 km) |
| Allouez to Cambrils | 4,286.59 mi (6,898.61 km) |
