| Portogruaro to Oxford (Alabama) | 4,976.03 mi (8,008.15 km) |
| Portogruaro to Oxford (Mississippi) | 5,089.81 mi (8,191.27 km) |
| Portogruaro to Oxford (Ohio) | 4,653.93 mi (7,489.78 km) |
| Portogruaro to Oxnard (California) | 6,152.12 mi (9,900.88 km) |
| Portogruaro to Oxon Hill (Maryland) | 4,366.96 mi (7,027.94 km) |
| Portogruaro to Ozark (Alabama) | 5,069.26 mi (8,158.19 km) |
| Portogruaro to Ozark (Missouri) | 5,104.04 mi (8,214.16 km) |
| Portogruaro to Pace (Florida) | 5,173.78 mi (8,326.40 km) |
| Portogruaro to Pacific Grove (California) | 6,086.20 mi (9,794.79 km) |
| Portogruaro to Pacifica (California) | 6,041.55 mi (9,722.94 km) |
| Portogruaro to Paducah (Kentucky) | 4,923.41 mi (7,923.46 km) |
| Portogruaro to Pahrump (Nevada) | 5,937.98 mi (9,556.25 km) |
| Portogruaro to Painesville (Ohio) | 4,415.21 mi (7,105.60 km) |
| Portogruaro to Palatine (Illinois) | 4,662.18 mi (7,503.06 km) |
| Portogruaro to Palatka (Florida) | 4,983.29 mi (8,019.83 km) |
