| Rialto to Petaluma (California) | 407.95 mi (656.53 km) |
| Rialto to Petersburg (Virginia) | 2,238.87 mi (3,603.12 km) |
| Rialto to Pflugerville (Texas) | 1,181.21 mi (1,900.98 km) |
| Rialto to Pharr (Texas) | 1,268.92 mi (2,042.14 km) |
| Rialto to Phelan (California) | 23.58 mi (37.94 km) |
| Rialto to Phenix City (Alabama) | 1,864.96 mi (3,001.36 km) |
| Rialto to Philadelphia (Pennsylvania) | 2,342.73 mi (3,770.27 km) |
| Rialto to Phillipsburg (New Jersey) | 2,337.61 mi (3,762.03 km) |
| Rialto to Phoenix (Arizona) | 306.43 mi (493.15 km) |
| Rialto to Phoenixville (Pennsylvania) | 2,321.82 mi (3,736.60 km) |
| Rialto to Picayune (Mississippi) | 1,632.01 mi (2,626.47 km) |
| Rialto to Pickerington (Ohio) | 1,938.83 mi (3,120.24 km) |
| Rialto to Pico Rivera (California) | 41.00 mi (65.99 km) |
| Rialto to Piedmont (California) | 372.46 mi (599.42 km) |
| Rialto to Pierre (South Dakota) | 1,152.06 mi (1,854.06 km) |
