| Ponte da Barca to Oakley (California) | 5,509.51 mi (8,866.70 km) |
| Ponte da Barca to Oakton (Virginia) | 3,533.09 mi (5,685.95 km) |
| Ponte da Barca to Oakville (Missouri) | 4,160.74 mi (6,696.07 km) |
| Ponte da Barca to Oatfield (Oregon) | 5,175.69 mi (8,329.47 km) |
| Ponte da Barca to Ocala (Florida) | 4,112.35 mi (6,618.18 km) |
| Ponte da Barca to Ocean Acres (New Jersey) | 3,362.04 mi (5,410.67 km) |
| Ponte da Barca to Ocean City (New Jersey) | 3,391.54 mi (5,458.16 km) |
| Ponte da Barca to Ocean Pines (Maryland) | 3,444.70 mi (5,543.70 km) |
| Ponte da Barca to Ocean Pointe (Hawaii) | 7,662.72 mi (12,331.95 km) |
| Ponte da Barca to Ocean Springs (Mississippi) | 4,393.03 mi (7,069.91 km) |
| Ponte da Barca to Oceanside (California) | 5,569.04 mi (8,962.50 km) |
| Ponte da Barca to Oceanside (New York) | 3,305.57 mi (5,319.80 km) |
| Ponte da Barca to Ocoee (Florida) | 4,104.42 mi (6,605.43 km) |
| Ponte da Barca to Oconomowoc (Wisconsin) | 3,916.70 mi (6,303.32 km) |
| Ponte da Barca to Odenton (Maryland) | 3,498.40 mi (5,630.14 km) |
