| Manassas to Pottsville (Pennsylvania) | 149.69 mi (240.90 km) |
| Manassas to Poughkeepsie (New York) | 277.06 mi (445.88 km) |
| Manassas to Poulsbo (Washington) | 2,320.43 mi (3,734.37 km) |
| Manassas to Poway (California) | 2,231.53 mi (3,591.30 km) |
| Manassas to Powder Springs (Georgia) | 523.62 mi (842.68 km) |
| Manassas to Powell (Ohio) | 314.34 mi (505.89 km) |
| Manassas to Powell (Tennessee) | 405.11 mi (651.96 km) |
| Manassas to Prairie Ridge (Washington) | 2,298.32 mi (3,698.78 km) |
| Manassas to Prairie Village (Kansas) | 921.51 mi (1,483.03 km) |
| Manassas to Prairieville (Louisiana) | 961.34 mi (1,547.12 km) |
| Manassas to Prattville (Alabama) | 664.88 mi (1,070.02 km) |
| Manassas to Preakness (New Jersey) | 229.76 mi (369.76 km) |
| Manassas to Prescott (Arizona) | 1,946.99 mi (3,133.37 km) |
| Manassas to Prescott Valley (Arizona) | 1,939.76 mi (3,121.74 km) |
| Manassas to Prichard (Alabama) | 816.69 mi (1,314.34 km) |
