The calculated distance (air line) between Colombes and Levallois-Perret is approximately 2 miles respectively 4 kilometers.
By car or train, the actual journey to Levallois-Perret is certainly longer, as only the direct route (as the crow flies) between Colombes and Levallois-Perret has been calculated here.
Air line (approximately)
4 kilometers
2 nautical miles