| North Tustin to Oakley (California) | 364.71 mi (586.94 km) |
| North Tustin to Oakton (Virginia) | 2,262.98 mi (3,641.92 km) |
| North Tustin to Oakville (Missouri) | 1,561.34 mi (2,512.73 km) |
| North Tustin to Oatfield (Oregon) | 844.04 mi (1,358.35 km) |
| North Tustin to Ocala (Florida) | 2,113.67 mi (3,401.63 km) |
| North Tustin to Ocean Acres (New Jersey) | 2,420.00 mi (3,894.61 km) |
| North Tustin to Ocean City (New Jersey) | 2,405.45 mi (3,871.20 km) |
| North Tustin to Ocean Pines (Maryland) | 2,381.65 mi (3,832.89 km) |
| North Tustin to Ocean Pointe (Hawaii) | 2,591.63 mi (4,170.83 km) |
| North Tustin to Ocean Springs (Mississippi) | 1,708.21 mi (2,749.10 km) |
| North Tustin to Oceanside (California) | 46.60 mi (75.00 km) |
| North Tustin to Oceanside (New York) | 2,449.91 mi (3,942.76 km) |
| North Tustin to Ocoee (Florida) | 2,162.16 mi (3,479.66 km) |
| North Tustin to Oconomowoc (Wisconsin) | 1,701.00 mi (2,737.50 km) |
| North Tustin to Odenton (Maryland) | 2,294.74 mi (3,693.03 km) |
