| Gary to Pottsville (Pennsylvania) | 582.61 mi (937.61 km) |
| Gary to Poughkeepsie (New York) | 692.58 mi (1,114.60 km) |
| Gary to Poulsbo (Washington) | 1,769.06 mi (2,847.03 km) |
| Gary to Poway (California) | 1,725.70 mi (2,777.24 km) |
| Gary to Powder Springs (Georgia) | 553.12 mi (890.17 km) |
| Gary to Powell (Ohio) | 243.43 mi (391.76 km) |
| Gary to Powell (Tennessee) | 423.23 mi (681.12 km) |
| Gary to Prairie Ridge (Washington) | 1,745.50 mi (2,809.11 km) |
| Gary to Prairie Village (Kansas) | 423.98 mi (682.33 km) |
| Gary to Prairieville (Louisiana) | 804.58 mi (1,294.84 km) |
| Gary to Prattville (Alabama) | 632.77 mi (1,018.35 km) |
| Gary to Preakness (New Jersey) | 682.39 mi (1,098.19 km) |
| Gary to Prescott (Arizona) | 1,442.00 mi (2,320.68 km) |
| Gary to Prescott Valley (Arizona) | 1,435.07 mi (2,309.52 km) |
| Gary to Prichard (Alabama) | 748.65 mi (1,204.83 km) |
