| Oristano to Point Pleasant (New Jersey) | 4,200.24 mi (6,759.64 km) |
| Oristano to Pomona (California) | 6,287.43 mi (10,118.65 km) |
| Oristano to Pompano Beach (Florida) | 5,016.33 mi (8,073.00 km) |
| Oristano to Pompton Lakes (New Jersey) | 4,178.98 mi (6,725.41 km) |
| Oristano to Pompton Plains (New Jersey) | 4,181.12 mi (6,728.86 km) |
| Oristano to Ponca City (Oklahoma) | 5,349.84 mi (8,609.74 km) |
| Oristano to Ponce (Puerto Rico) | 4,655.72 mi (7,492.65 km) |
| Oristano to Pontiac (Illinois) | 4,815.80 mi (7,750.28 km) |
| Oristano to Pontiac (Michigan) | 4,519.33 mi (7,273.16 km) |
| Oristano to Pooler (Georgia) | 4,833.81 mi (7,779.27 km) |
| Oristano to Poplar Bluff (Missouri) | 5,062.84 mi (8,147.86 km) |
| Oristano to Poquoson (Virginia) | 4,409.90 mi (7,097.06 km) |
| Oristano to Port Angeles (Washington) | 5,683.99 mi (9,147.50 km) |
| Oristano to Port Arthur (Texas) | 5,521.38 mi (8,885.81 km) |
| Oristano to Port Charlotte (Florida) | 5,083.59 mi (8,181.25 km) |
