| Name | Length (miles) |
From | To | Division(s) |
|---|---|---|---|---|
| Depot Harbor | 7.6 | James Bay | Depot Harbor | Allandale |
| Deseronto | 6.53 | Deseronto | Napanee | Belleville |
| Dorion | 147.9 | Jellicoe | Port Arthur (C.P.Ry.) | Hornepayne |
| Drumbo | 31.40 | Paris Junction | Stratford | Stratford |
| Dundas | 78.21 | Bayview | London | London |
| Dunnville | 75.67 | Fort Erie | Brantford | London |
| Durham | 25.72 | White's Junction | Durham | Stratford |