| River Ridge to Petaluma (California) | 1,929.10 mi (3,104.59 km) |
| River Ridge to Petersburg (Virginia) | 890.79 mi (1,433.58 km) |
| River Ridge to Pflugerville (Texas) | 442.00 mi (711.33 km) |
| River Ridge to Pharr (Texas) | 551.81 mi (888.05 km) |
| River Ridge to Phelan (California) | 1,620.99 mi (2,608.73 km) |
| River Ridge to Phenix City (Alabama) | 352.15 mi (566.73 km) |
| River Ridge to Philadelphia (Pennsylvania) | 1,097.89 mi (1,766.88 km) |
| River Ridge to Phillipsburg (New Jersey) | 1,123.23 mi (1,807.66 km) |
| River Ridge to Phoenix (Arizona) | 1,306.10 mi (2,101.96 km) |
| River Ridge to Phoenixville (Pennsylvania) | 1,086.30 mi (1,748.23 km) |
| River Ridge to Picayune (Mississippi) | 51.34 mi (82.63 km) |
| River Ridge to Pickerington (Ohio) | 804.83 mi (1,295.25 km) |
| River Ridge to Pico Rivera (California) | 1,651.72 mi (2,658.19 km) |
| River Ridge to Piedmont (California) | 1,904.06 mi (3,064.29 km) |
| River Ridge to Pierre (South Dakota) | 1,138.66 mi (1,832.50 km) |
