| Darton to Oakley (California) | 5,175.92 mi (8,329.83 km) |
| Darton to Oakton (Virginia) | 3,577.00 mi (5,756.63 km) |
| Darton to Oakville (Missouri) | 4,098.69 mi (6,596.20 km) |
| Darton to Oatfield (Oregon) | 4,768.55 mi (7,674.25 km) |
| Darton to Ocala (Florida) | 4,250.78 mi (6,840.97 km) |
| Darton to Ocean Acres (New Jersey) | 3,417.88 mi (5,500.54 km) |
| Darton to Ocean City (New Jersey) | 3,452.56 mi (5,556.36 km) |
| Darton to Ocean Pines (Maryland) | 3,515.45 mi (5,657.57 km) |
| Darton to Ocean Pointe (Hawaii) | 7,074.73 mi (11,385.68 km) |
| Darton to Ocean Springs (Mississippi) | 4,450.62 mi (7,162.58 km) |
| Darton to Oceanside (California) | 5,320.01 mi (8,561.73 km) |
| Darton to Oceanside (New York) | 3,351.72 mi (5,394.07 km) |
| Darton to Ocoee (Florida) | 4,256.77 mi (6,850.61 km) |
| Darton to Oconomowoc (Wisconsin) | 3,803.77 mi (6,121.58 km) |
| Darton to Odenton (Maryland) | 3,544.72 mi (5,704.67 km) |
