| Clear | interval 30 (default) | interval 20 | interval 10 | interval 5 | interval 1 | |
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Click on the map to place a marker. Routes up to 30 miles from the marker are calculated automatically. The blue circle has radius 30 miles. Fast in Firefox, slow in IE. (What a surprise!) The interval value means every how many degrees a point should be calculated on a circle around the center marker. (lower interval means more points and longer processing time) |