| Name | Distances from St Mellons |
|---|---|
| Heath High Level Station | 5.70 Km |
| Llanishen Station | 5.74 Km |
| Heath Low Level Station | 5.74 Km |
| Lisvane and Thornhill Station | 6.33 Km |
| Ty Glas Station | 6.67 Km |
| Cathays Station | 6.71 Km |
| Cardiff Queen Street Station | 6.75 Km |
| Birchgrove Station | 7.04 Km |
| Pye Corner Station | 7.52 Km |
| Cardiff Central Station | 7.67 Km |
List of Historic places near to St Mellons
| Name | Distances from St Mellons |
|---|---|
| Roath Park | 5.50 Km |
| Tredegar House | 6.60 Km |
| Cardiff, St John the Baptist Church | 7.31 Km |
| Cardiff Castle | 7.32 Km |
| Cardiff Roman Fort | 7.33 Km |
| Castell Machen | 7.55 Km |
| National Museum of Wales | 7.65 Km |
| Techniquest | 8.23 Km |
| Bellevue Park, Newport | 9.18 Km |
| Caerphilly Castle | 10.08 Km |
| Caerphilly Roman Fort | 10.31 Km |
| Penarth, St Augustine Church | 10.35 Km |
| Newport Castle | 10.37 Km |
| Castell Coch | 10.73 Km |
| Turner House Gallery | 11.62 Km |
| Caerau Castle Ringwork | 11.86 Km |
| St Fagans Castle | 12.62 Km |
| Dinas Powys Castle | 12.81 Km |
| Caerleon Roman Fortress, Baths, and Amphitheatre | 13.52 Km |
| Cosmeston Medieval Village | 13.60 Km |
| National Roman Legion Museum, Caerleon | 13.83 Km |
| Llantarnam Abbey | 13.88 Km |
| Caerleon Castle | 13.98 Km |