Using the LO Chart below, you are planning a night VFR trip…

Using the LO Chart below, you are planning a night VFR trip from CYHM to CYOO. The planned route is CYHM → OLAMO → DAVSI → TESUK → OO @ 5500’ where the initial part of the trip after take-off to OLAMO is 7 NM and, the final stage to OO is 6 NM.  What is the total distance for the trip?