| Martinez to Odessa (Texas) | 1,194.03 mi (1,921.61 km) |
| Martinez to Ogden (Utah) | 583.95 mi (939.77 km) |
| Martinez to Oildale (California) | 246.38 mi (396.51 km) |
| Martinez to Ojus (Florida) | 2,571.31 mi (4,138.13 km) |
| Martinez to Okemos (Michigan) | 1,994.76 mi (3,210.26 km) |
| Martinez to Oklahoma City (Oklahoma) | 1,369.45 mi (2,203.92 km) |
| Martinez to Okmulgee (Oklahoma) | 1,448.97 mi (2,331.89 km) |
| Martinez to Olathe (Kansas) | 1,472.95 mi (2,370.48 km) |
| Martinez to Old Jamestown (Missouri) | 1,715.38 mi (2,760.64 km) |
| Martinez to Oldsmar (Florida) | 2,366.70 mi (3,808.83 km) |
| Martinez to Olean (New York) | 2,302.68 mi (3,705.80 km) |
| Martinez to Olive Branch (Mississippi) | 1,795.94 mi (2,890.29 km) |
| Martinez to Olivehurst (California) | 80.58 mi (129.68 km) |
| Martinez to Olney (Maryland) | 2,409.20 mi (3,877.23 km) |
| Martinez to Olympia (Washington) | 626.08 mi (1,007.57 km) |
