| McComb to Pottsville (Pennsylvania) | 1,027.80 mi (1,654.08 km) |
| McComb to Poughkeepsie (New York) | 1,165.66 mi (1,875.95 km) |
| McComb to Poulsbo (Washington) | 2,036.55 mi (3,277.51 km) |
| McComb to Poway (California) | 1,554.18 mi (2,501.22 km) |
| McComb to Powder Springs (Georgia) | 382.55 mi (615.66 km) |
| McComb to Powell (Ohio) | 742.37 mi (1,194.73 km) |
| McComb to Powell (Tennessee) | 496.68 mi (799.33 km) |
| McComb to Prairie Ridge (Washington) | 1,999.35 mi (3,217.65 km) |
| McComb to Prairie Village (Kansas) | 584.30 mi (940.35 km) |
| McComb to Prairieville (Louisiana) | 70.37 mi (113.24 km) |
| McComb to Prattville (Alabama) | 250.09 mi (402.49 km) |
| McComb to Preakness (New Jersey) | 1,124.50 mi (1,809.71 km) |
| McComb to Prescott (Arizona) | 1,292.68 mi (2,080.37 km) |
| McComb to Prescott Valley (Arizona) | 1,285.44 mi (2,068.72 km) |
| McComb to Prichard (Alabama) | 142.42 mi (229.20 km) |
