| Merrifield to Petersburg (Virginia) | 115.59 mi (186.02 km) |
| Merrifield to Pflugerville (Texas) | 1,291.05 mi (2,077.75 km) |
| Merrifield to Pharr (Texas) | 1,497.16 mi (2,409.44 km) |
| Merrifield to Phelan (California) | 2,235.49 mi (3,597.67 km) |
| Merrifield to Phenix City (Alabama) | 621.84 mi (1,000.75 km) |
| Merrifield to Philadelphia (Pennsylvania) | 137.13 mi (220.69 km) |
| Merrifield to Phillipsburg (New Jersey) | 166.48 mi (267.92 km) |
| Merrifield to Phoenix (Arizona) | 1,964.26 mi (3,161.17 km) |
| Merrifield to Phoenixville (Pennsylvania) | 126.66 mi (203.85 km) |
| Merrifield to Picayune (Mississippi) | 909.86 mi (1,464.27 km) |
| Merrifield to Pickerington (Ohio) | 303.25 mi (488.04 km) |
| Merrifield to Pico Rivera (California) | 2,276.46 mi (3,663.61 km) |
| Merrifield to Piedmont (California) | 2,413.76 mi (3,884.58 km) |
| Merrifield to Pierre (South Dakota) | 1,246.20 mi (2,005.57 km) |
| Merrifield to Pike Creek Valley (Delaware) | 101.55 mi (163.43 km) |
