| Riihimaki to Petersburg (Virginia) | 4,390.65 mi (7,066.06 km) |
| Riihimaki to Pflugerville (Texas) | 5,354.51 mi (8,617.25 km) |
| Riihimaki to Pharr (Texas) | 5,638.25 mi (9,073.88 km) |
| Riihimaki to Phelan (California) | 5,524.53 mi (8,890.88 km) |
| Riihimaki to Phenix City (Alabama) | 4,893.32 mi (7,875.04 km) |
| Riihimaki to Philadelphia (Pennsylvania) | 4,161.84 mi (6,697.83 km) |
| Riihimaki to Phillipsburg (New Jersey) | 4,124.11 mi (6,637.11 km) |
| Riihimaki to Phoenix (Arizona) | 5,480.98 mi (8,820.78 km) |
| Riihimaki to Phoenixville (Pennsylvania) | 4,165.78 mi (6,704.18 km) |
| Riihimaki to Picayune (Mississippi) | 5,140.38 mi (8,272.64 km) |
| Riihimaki to Pickerington (Ohio) | 4,386.40 mi (7,059.23 km) |
| Riihimaki to Pico Rivera (California) | 5,563.87 mi (8,954.19 km) |
| Riihimaki to Piedmont (California) | 5,376.43 mi (8,652.53 km) |
| Riihimaki to Pierre (South Dakota) | 4,549.41 mi (7,321.57 km) |
| Riihimaki to Pike Creek Valley (Delaware) | 4,194.43 mi (6,750.28 km) |
