A Practical KM Guide (Because Nobody Wants Vague Reassurance)
Astrologers have different opinions on exactly how far a line's influence extends. Some traditional sources suggest very wide orbs (up to 700 miles / ~1100 km), while most modern practitioners prefer tighter, more practical ranges.
Here's a realistic, working guide that many people find useful in real life:
- Within ~100 km of an exact planetary line → the effect is usually strong and hard to miss. This is where the planetary theme feels most concentrated and clear.
- 100–200 km → the influence is still genuinely present, but softer and more subtle. You'll likely feel it, especially if you're sensitive to the energy, but it won't be as overwhelming.
- Beyond 200 km → the exact line's influence generally becomes too faint to reliably plan your life or major moves around.
If you want to go deeper into how lines and aspects interact with each other, check out our full article: Aspects vs. Exact Lines in Astrocartography: Why the Quiet Influences Often Matter Most.
Aspect lines tend to have a slightly narrower range because they are already a secondary, more diffuse signal. They are most meaningful within roughly 100 km, and usually fade out beyond that.
There's one important exception worth remembering: when you're trying to avoid a tense aspect (rather than seeking a harmonious one), it's wiser to give yourself more space. Tense aspects can still create a faint but noticeable friction even a bit further out. Staying more than 200 km clear of a challenging aspect is often a safer practical buffer.
None of these numbers are absolute laws of physics. They are practical guidelines based on experience. Your own sensitivity, your natal chart, and the specific combination of energies in a city will always have the final say. But these ranges give you a solid starting point instead of guessing blindly.
This is exactly why NatalPass doesn't make you do any of this math yourself. Every line and aspect is already sorted into a clear distance category, so you can skip the ruler entirely.