"I've even been sent a steamed pudding and custard ... that's important, just to have little things."
Mr Odell has been working in planning for the United Nations Mission in South Sudan for about four months, and will stay until March.
Tomorrow he will attend a local church service, and talk to his wife over Skype, as he did most days.
"Just about every day at the same time we hook up and have 10 or 15 minutes talking with each other, so it's a real blessing."
Navy Lieutenant Commander Kelly Ashton-Kells, partway through a six-month placement in Kabul, said Christmas was hard for those overseas and their families at home.
"We had a terrible August, where there were a number of messages home to say whatever was going on, while it was affecting me, it wasn't me directly," she said.
"It will be hard not to miss [family], and be missed. But internet shopping is fantastic as a way to make sure everyone has something from me."
Mrs Ashton-Kells, 34, works in the International Security Assistance Force commander's legal advisers office, and said she and other Kiwis there would get together for waffles at breakfast.
"There are little things that do remind you of home. And those small touches are the things that make it bearable. And one thing that I've found while being here is that Tim Tams make fantastic currency."
Kiwi personnel overseas:
•178 in Afghanistan
•28 in Sinai Peninsula
•Eight in the Middle East
•Eight in Antarctica
•Eight in the Solomon Islands
•Five in Timor-Leste
•Three in South Sudan
•Three in South Korea
•One in Iraq
Source: NZ Defence Force