| Martinez to Oakley (California) | 22.92 mi (36.89 km) |
| Martinez to Oakton (Virginia) | 2,401.12 mi (3,864.23 km) |
| Martinez to Oakville (Missouri) | 1,717.54 mi (2,764.12 km) |
| Martinez to Oatfield (Oregon) | 512.85 mi (825.35 km) |
| Martinez to Ocala (Florida) | 2,360.22 mi (3,798.40 km) |
| Martinez to Ocean Acres (New Jersey) | 2,545.20 mi (4,096.10 km) |
| Martinez to Ocean City (New Jersey) | 2,536.05 mi (4,081.38 km) |
| Martinez to Ocean Pines (Maryland) | 2,522.25 mi (4,059.17 km) |
| Martinez to Ocean Pointe (Hawaii) | 2,423.77 mi (3,900.69 km) |
| Martinez to Ocean Springs (Mississippi) | 1,963.88 mi (3,160.56 km) |
| Martinez to Oceanside (California) | 426.15 mi (685.82 km) |
| Martinez to Oceanside (New York) | 2,564.98 mi (4,127.93 km) |
| Martinez to Ocoee (Florida) | 2,411.95 mi (3,881.66 km) |
| Martinez to Oconomowoc (Wisconsin) | 1,787.45 mi (2,876.63 km) |
| Martinez to Odenton (Maryland) | 2,430.18 mi (3,910.99 km) |
