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:
| Name | Variant Name(s) | Source | Source coordinates | Length | Mouth | Mouth coordinates |
| --- | --- | --- | --- | --- | --- | --- |
| Mouth |  | N/A | N/A | N/A | Aliso Creek Beach, Laguna Beach | 33°30′38″N 117°45′12″W﻿ / ﻿33.5105°N 117.7532°W |
| Wood Canyon Creek |  | Aliso Viejo | 33°35′39″N 117°44′22″W﻿ / ﻿33.5941°N 117.7394°W | 2.8 miles (4.5 km) | Aliso Canyon—right bank of Aliso Creek | 33°32′28″N 117°44′13″W﻿ / ﻿33.5411°N 117.7369°W |
| Sulphur Creek | Arroyo Salada, Sulpher Creek, Salt Creek, Cañada Salada | North Laguna Niguel | 33°33′33″N 117°41′04″W﻿ / ﻿33.5591°N 117.6844°W | 4.5 miles (7.2 km) | Head of Aliso Canyon—left bank of Aliso Creek | 33°32′32″N 117°42′16″W﻿ / ﻿33.5422°N 117.7044°W |
| Aliso Hills Channel |  | South Laguna Hills |  | 4.5 miles (7.2 km) | Aliso Viejo—left bank of Aliso Creek |  |
| Dairy Fork | Dairy Fork Storm Drain | South Laguna Woods |  | 3 miles (4.8 km) | Aliso Viejo- right bank of Aliso Creek |  |
| Munger Creek | Munger Creek Storm Drain | Lake Forest |  | 1 mile (1.6 km) | Mission Viejo—right bank of Aliso Creek |  |
| Unnamed northern fork |  | Portola Hills |  | 2.5 miles (4.0 km) | Mission Viejo—right bank of Aliso Creek |  |
| English Canyon | English Canyon Creek, English Canyon Channel | Mission Viejo | 33°39′30″N 117°38′28″W﻿ / ﻿33.6583°N 117.6411°W | 3.5 miles (5.6 km) | Mission Viejo—left bank of Aliso Creek | 33°37′42″N 117°40′52″W﻿ / ﻿33.6283°N 117.6811°W |
| Source |  | Cleveland National Forest, Portola Hills | 33°42′10″N 117°37′21″W﻿ / ﻿33.7027°N 117.6225°W | N/A | N/A | N/A |
Question:
what is the difference between the length of english canyon and the length of munger creek?
Answer:
2.5 miles