Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Route Name | Direction | Termini | Junctions | Length | Population Area |
| --- | --- | --- | --- | --- | --- |
| FM 649 | South North | Zapata County SH 359 | SH 359 | miles (km) | Mirando City |
| FM 1472 | South North | I-35 A point miles (km) northwest of SH 255 | I-35 FM 3338 SH 255 | miles (km) | Laredo |
| FM 2050 | South North | Bruni, Texas US 59 | SH 359 US 59 | miles (km) | Bruni |
| FM 2895 | South North | Aguilares, Texas US 59 | SH 359 US 59 | miles (km) | Aguilares |
| FM 3338 | South North | FM 1472 SH 255 | UR 1472 SH 255 | miles (km) | Laredo Ranchos Penitas West |
Question:
What's the length of the route with junctions of ur 1472 sh 255?
Answer:
miles (km)