| Longest intracranial course | Trochlear nerve |
| Longest course overall and most widely distributed | Vagus |
| Smallest (thinnest) cranial nerve | Trochlear nerve |
| Largest (thickest) cranial nerve | Trigeminal nerve |
| The only cranial nerve arising from dorsal aspect | Trochlear nerve |
| Only cranial nerve decussating completely before emerging | Trochlear nerve |
| Cranial nerve most commonly involved in basal skull fracture | Facial nerve |
| Cranial nerve most commonly involved in raised intracranial tension | Abducent nerve |
| Commonest cranial nerve affected in spinal anesthesia | Abducent nerve |
| Cranial nerve most commonly involved in intracranial aneurysm | Oculomotor nerve |
| Cranial nerves carrying parasympathetic fibers | 3,7,9,10 |
